Context of '(Shortly After 9:16 a.m.) September 11, 2001: No Increase in Security on Capitol Hill, despite Arrival of First Lady'

The Alfred P. Murrah Building after being bombed. [Source: CBS News]A truck bomb destroys the Alfred P. Murrah Federal Building in Oklahoma City, killing 168 people in America’s worst domestic terrorist attack. Timothy McVeigh, later convicted in the bombing, has ideological roots both in the Patriot world and among neo-Nazis like William Pierce, whose novel, The Turner Diaries (see 1978), served as a blueprint for the attack. [Washington Post, 4/20/1995; Southern Poverty Law Center, 6/2001; Clarke, 2004, pp. 127] Initially, many believe that no American set off the bomb, and suspect Islamist terrorists of actually carrying out the bombing (see 10:00 a.m. April 19, 1995 and After). Their suspicions prove groundless. Investigators will find that the bomb is constructed of some 5,000 pounds of ammonium nitrate and fuel oil, carried in 20 or so blue plastic 55-gallon barrels arranged inside a rented Ryder truck (see April 15, 1995). The bomb is detonated by a slow-burning safety fuse, most likely lit by hand. The fuse is attached to a much faster-burning detonation cord (“det cord”) which ignites the fertilizer and fuel-oil mixture. [New York Times, 4/27/1995] The Murrah Federal Building houses a number of federal agencies, including offices for the Bureau of Alcohol, Tobacco and Firearms (BATF); the Social Security Administration; the Housing and Urban Development (HUD), Veterans Affairs, and Agriculture departments; and the Secret Service. [Washington Post, 4/20/1995] It encompasses an entire city block, between 5th and 4th Streets and Harvey and Robinson Streets, and features a U-shaped, indented drive on 5th that allows for quick pickup and delivery parking. The entire building’s facade on this side is made of glass, allowing passersby to see into the offices in the building, as well as into the America’s Kids day care center on the second floor, which by this time is filling with children. It is in this driveway that McVeigh parks his truck. [Serrano, 1998, pp. 99-102]
Entering the City - McVeigh drives into Oklahoma City, entering around 8:30 a.m. from his overnight stop in Ponca City, Oklahoma; the details reported of his entrance into the city vary (see 7:00 a.m. - 8:35 a.m., April 19, 1995). At 8:55 a.m., a security camera captures the Ryder truck as it heads towards downtown Oklahoma City [Douglas O. Linder, 2006] , a sighting bolstered by three people leaving the building who later say they saw the truck parked in front of the Murrah Building around this time. At 8:57, a security camera captures an image of McVeigh’s Ryder truck being parked outside the Murrah Building in a handicapped zone. One survivor of the blast, Marine recruiter Michael Norfleet, later recalls seeing the Ryder truck parked just outside the building next to the little circle drive on 5th Street leading up to the main entrance of the building. Norfleet had parked his black Ford Ranger in front of the Ryder.
McVeigh Lights Fuses - McVeigh drives the Ryder truck west past the Murrah Building on NW Fourth Street, turns north on a one-way street, and turns right on Fifth Street. He pulls the truck over and parks near the Firestone store, next to a chain-link fence. He then lights the five-minute fuses from inside the cab (see 8:15 a.m. and After, April 18, 1995), sets the parking brake, drops the key behind the seat, opens the door, locks the truck, exits, and shuts the door behind him. A man later claims to have hit his brakes to avoid someone matching McVeigh’s description as he crossed Fifth Street around 9:00 a.m. McVeigh walks quickly toward a nearby YMCA building where he has hidden his getaway car, a battered yellow Mercury Marquis (see April 13, 1995), in the adjoining alleyway, crossing Robinson Street and crossing another street to get to the alleyway. He begins to jog as he approaches his car. He later says he remembers a woman looking at him as she is walking down the steps to enter the building; he will describe her as white, in her mid-30s, with dirty blonde hair. According to McVeigh’s own recollection, he is about 20 feet into the alley when the bomb goes off. [Stickney, 1996, pp. 184-185; PBS Frontline, 1/22/1996; Serrano, 1998, pp. 158; Douglas O. Linder, 2006; The Oklahoman, 4/2009]
Truck Explodes - At 9:02 a.m., the truck explodes, destroying most of the Murrah Building and seriously damaging many nearby buildings. Eventually, it will be determined that 168 people die in the blast, including 19 children. Over 500 are injured. The children are in the second-story day care center just above the parking space where McVeigh leaves the Ryder truck. McVeigh will later tell his biographers that he is lifted off his feet by the power of the blast.
Devastation and Death - When the bomb detonates, the day care center and the children plummet into the basement. The building, constructed with large glass windows, collapses, sending a wave of flying glass shards and debris into the building and the surrounding area. The oldest victim is 73-year-old Charles Hurlbert, who has come to the Social Security office on the first floor. Hurlbert’s wife Jean, 67, also dies in the blast. The youngest victim is four-month-old Gabeon Bruce, whose mother is also in the Social Security office. One victim, Rebecca Anderson, is a nurse who runs towards the building to render assistance. She never makes it to the building; she is struck in the head by a piece of falling debris and will die in a hospital four days after the blast. Her heart and kidneys will be transplanted into survivors of the bombing. [Denver Post, 6/3/1997; New York Times, 6/3/1997; Serrano, 1998, pp. 153-154; Oklahoma City Journal Record, 3/29/2001] Sherri Sparks, who has friends still unaccounted for in the building, tells a reporter in the hours after the blast, “Oh, I can’t stand the thought of… those innocent children, sitting there playing, thinking they’re safe, and then this happens.” The explosion leaves a 30-foot-wide, 8-foot-deep crater in the street that is covered by the wreckage of the building’s upper floors. The north face of the nine-story building collapses entirely. [Washington Post, 4/20/1995; Washington Post, 4/22/1995] Mary Heath, a psychologist who works about 20 blocks from the Murrah Building, says the blast “shook the daylights out of things—it scared us to death. We felt the windows shake before we heard the noise.” In a neighboring building, a Water Resources Board meeting is just commencing; the audiotape of the meeting captures the sound of the blast (see 9:02 a.m. and After, April 19, 1995). [Washington Post, 4/20/1995; The Oklahoman, 4/2009] Norfleet, trapped in the Marine Corps office, is thrown into a wall by the explosion. His skull is fractured, and a shard of glass punctures his right eye. Three separate arteries are pierced, and Norfleet begins bleeding heavily. Two supply sergeants in the office are far less injured; Norfleet asks one, “How bad am I hurt?” and one replies, “Sir, you look really bad.” One of the two begins giving Norfleet first aid; Norfleet later recalls: “He immediately went into combat mode and started taking care of me. He laid me on a table and he started looking for bandages to administer first aid. And while I was laying on that table, I just knew that I was losing strength and that if I stayed in the building, I would die.” Norfleet wraps a shirt around his head and face to slow the bleeding, and the two sergeants help him to the stairs, through the fallen rubble, and eventually out. Norfleet will later say that he follows “a blood trail of somebody that had gone down the steps before me” to get outside, where he is quickly put into an ambulance. He loses almost half his body’s blood supply and his right eye. He will never fly again, and will soon be discharged for medical incapacity. [Serrano, 1998, pp. 161-162] Eighteen-month-old Phillip Allen, called “P.J.” by his parents, miraculously survives the blast. The floor gives way beneath him and he plunges 18 feet to land on the stomach of an adult worker on the floor below, Calvin Johnson. Landing on Johnson’s stomach saves P.J.‘s life. Johnson is knocked unconscious by the blast and by the impact of the little boy falling on him, but when he awakes, he carries the toddler to safety. P.J.‘s grandfather calls the child “Oklahoma’s miracle kid,” and media reports use the label when retelling the story of the miraculous rescue. P.J. is one of six children in the day care center to survive the blast. [Stickney, 1996, pp. 275-277] Some people later report their belief that the Murrah Building was rocked by a second explosion just moments after the first one, the second coming from a secure area managed by the Bureau of Alcohol, Tobacco and Firearms (BATF) that illegally stored explosives. Law professor Douglas O. Linder will later write, “Both seismic evidence and witness testimony supports the ‘two blast theory.’” [Douglas O. Linder, 2006] That theory is later disputed (see After 9:02 a.m. April 19, 1995).
Explosion's Effects Felt Miles Away - Buildings near the Murrah are also damaged, seven severely, including the Journal Record newspaper building, the offices of Southwestern Bell, the Water Resources Board, an Athenian restaurant, the YMCA, a post office building, and the Regency Tower Hotel. Two Water Resources Board employees and a restaurant worker are killed in the blast. The Journal Record building loses its roof. Assistant Fire Chief Jon Hansen later recalls, “The entire block looked like something out of war-torn Bosnia.” Every building within four blocks of the Murrah suffers some effects. A United Parcel Service truck 10 miles away has its windows shattered by the blast. Cars in parking lots around the area catch fire and burn. Millions of sheets of paper, and an innumerable number of glass shards, shower down for hundreds of feet around the building. [Stickney, 1996, pp. 28-30]
Truck Axle Crushes Nearby Car - Richard Nichols (no relation to bomber Timothy McVeigh’s co-conspirator Terry Nichols), a maintenance worker standing with his wife a block and a half away from the Murrah Building, is spun around by the force of the blast. They throw open the back door of their car and begin taking their young nephew Chad Nichols out of the back seat, when Richard sees a large shaft of metal hurtling towards them. The “humongous object… spinning like a boomerang,” as Richard later describes it, hits the front of their Ford Festiva, smashing the windshield, crushing the front end, driving the rear end high into the air, and sending the entire car spinning backwards about 10 feet. Chad is not seriously injured. The metal shaft is the rear axle of the Ryder truck. Later, investigators determine that it weighs 250 pounds and was blown 575 feet from where the truck was parked. Governor Frank Keating (R-OK) points out the axle to reporters when he walks the scene a day or so later, causing some media outlets to incorrectly report that Keating “discovered” the axle. The scene will take investigators days to process for evidence. [Stickney, 1996, pp. 32; New York Times, 6/3/1997; Serrano, 1998, pp. 187-189]
First Responders Begin Arriving - Within minutes, survivors begin evacuating the building, and first responders appear on the scene (see 9:02 a.m. - 10:35 a.m. April 19, 1995).
McVeigh's Getaway - McVeigh flees the bomb site in his Mercury getaway car (see 9:02 a.m. and After, April 19, 1995), but is captured less than 90 minutes later (see 9:03 a.m. -- 10:17 a.m. April 19, 1995).

Captain Charles Leidig. [Source: US Navy]Brigadier General Montague Winfield, the deputy director for operations (DDO) in the National Military Command Center (NMCC) at the Pentagon, leaves his post to attend a pre-scheduled meeting, allowing a colleague, who only recently qualified to take over his position, to stand in for him, and not returning to his post until after the terrorist attacks have ended. [9/11 Commission, 7/21/2003 ; 9/11 Commission, 4/29/2004 ; 9/11 Commission, 6/17/2004]
Winfield Attends Air Force-Convened Meeting - Winfield leaves his post to attend what a 9/11 Commission memorandum will call “an unrelated, closed-door personnel meeting convened by the Air Force to discuss the rating of Air Force officers.” [9/11 Commission, 7/21/2003 ] Another Commission memorandum will state that this meeting is a “session for general officers who rated Air Force officers.” It is unclear whether the meeting takes place somewhere in the NMCC or outside the center. The Commission memorandum will only say that it takes place “elsewhere in [Joint Chiefs of Staff] spaces.” At least one of the NMCC’s other qualified DDOs, Brigadier General Norman Seip, is also attending it.
Winfield Asked Colleague to Replace Him on Previous Day - Winfield is temporarily replaced as DDO by Captain Charles Leidig. Leidig only joined the operations directorate of the Joint Chiefs of Staff in July 2001, when he assumed duties as the deputy for Command Center operations. In that, his usual role, he is responsible for the maintenance, operation, and training of watch teams for the NMCC. He qualified to stand in as the DDO in the NMCC about a month ago, in August 2001. The previous afternoon, Winfield asked Leidig to relieve him for a portion of his duty this morning, and Leidig agreed to do so.
Leidig Takes Over as DDO - As arranged, Leidig takes over from Winfield as DDO at 8:30 a.m., allowing Winfield to attend his meeting. Upon arrival at the NMCC, Leidig receives the intelligence and other turn over briefings. After seeing the reports of the plane crashes in New York on television, he will be responsible for convening a significant event conference (see 9:29 a.m.-9:34 a.m. September 11, 2001), which he soon upgrades to an air threat conference (see 9:37 a.m.-9:39 a.m. September 11, 2001). [9/11 Commission, 4/29/2004 ; 9/11 Commission, 6/17/2004 ]
Winfield Does Not Resume Duties until Attacks Are Over - Even though it becomes obvious that a coordinated attack is under way when television shows the second plane hitting the World Trade Center at 9:03 a.m. (see 9:03 a.m. September 11, 2001), Winfield apparently remains in his meeting instead of resuming his duties as DDO (see (Shortly After 9:03 a.m.) September 11, 2001). He will only take over from Leidig as DDO after Flight 93 crashes in Pennsylvania, apparently at around 10:30 a.m. (see (10:30 a.m.) September 11, 2001). [9/11 Commission, 4/29/2004 ; 9/11 Commission, 6/17/2004] In later interviews for television, Winfield will give the impression that he remained in charge of the NMCC throughout the 9/11 attacks, and make no mention of having allowed a stand-in to take his place during this most critical period of time. [CNN, 9/4/2002; ABC News, 9/11/2002]

The hole caused by the Flight 11 crash. [Source: Reuters]Flight 11 slams into the WTC North Tower (Building 1). Hijackers Mohamed Atta Waleed Alshehri, Wail Alshehri, Abdulaziz Alomari, and Satam Al Suqami presumably are killed instantly, and many more in the tower will die over the next few hours. Seismic records pinpoint the crash at 26 seconds after 8:46 a.m. [CNN, 9/12/2001; New York Times, 9/12/2001; North American Aerospace Defense Command, 9/18/2001; USA Today, 12/20/2001; Federal Emergency Management Agency, 5/1/2002, pp. 1-10; New York Times, 5/26/2002; USA Today, 8/13/2002; Associated Press, 8/21/2002; Newsday, 9/10/2002] The NIST report states the crash time to be 8:46:30. [National Institute of Standards and Technology, 9/2005, pp. 19] The 9/11 Commission Report states the crash time to be 8:46:40. [9/11 Commission, 7/24/2004, pp. 7] Investigators believe the plane still has about 10,000 gallons of fuel (see 8:57 a.m. September 11, 2001). [New York Times, 5/26/2002] The plane strikes the 93rd through 99th floors in the 110-story building. No one above the crash line survives; approximately 1,360 people die. Below the crash line, approximately 72 die and more than 4,000 survive. Both towers are slightly less than half full at the time of the attack, with between 5,000 to 7,000 people in each tower. This number is lower than expected. Many office workers have not yet shown up to work, and tourists to the observation deck opening at 9:30 A.M. have yet to arrive. [USA Today, 12/20/2001; National Institute of Standards and Technology, 9/2005, pp. 20-22] The impact severs some columns on the north side of the North Tower. Each tower is designed as a “tube-in-tube” structure and the steel columns which support its weight are arranged around the perimeter and in the core. The plane, which weighs 283,600 lb and is traveling at an estimated speed of around 430 mph (see October 2002-October 2005), severs 35 of the building’s 236 perimeter columns and damages another two. The damage to the South Tower’s perimeter will be similar (see 9:03 a.m. September 11, 2001). [National Institute of Standards and Technology, 9/2005, pp. 5-9, 20, 22] The perimeter columns bear about half of the tower’s weight, so this damage reduces its ability to bear gravity loads by about 7.5 percent. [National Institute of Standards and Technology, 9/2005, pp. 6] The actual damage to the 47 core columns is not known, as there are no photographs or videos of it, but there will be much speculation about this after 9/11. It will be suggested that some parts of the aircraft may have damaged the core even after crashing through the exterior wall. According to the National Institute of Standards and Technology (NIST): “Moving at 500 mph, an engine broke any exterior column it hit. If the engine missed the floor slab, the majority of the engine core remained intact and had enough residual momentum to sever a core column upon direct impact.” [National Institute of Standards and Technology, 9/2005, pp. 107] According to NIST’s base case computer model, three of the core columns are severed and another ten suffer some damage. [National Institute of Standards & Technology, 9/2005, pp. 189 ] If this is accurate, it means that the impact damage to the core reduces the Tower’s strength by another approximately 7.5 percent, meaning that the building loses about 15 percent of its strength in total. This damage will be cited after 9/11 by NIST and others researchers as an event contributing to the building’s collapse (see October 23, 2002 and October 19, 2004). In addition, some of the fireproofing on the steel columns and trusses may be dislodged. The original fireproofing on the fire floors was mostly Blazeshield DC/F, but some of the fireproofing on the flooring has recently been upgraded to Blazeshield II, which is about 20 percent denser and 20 percent more adhesive. [National Institute of Standards & Technology, 9/2005, pp. xxxvi, 83 ] Photographs and videos of the towers will not show the state of fireproofing inside the buildings, but NIST will estimate the damage to it using a computer model. Its severe case model (see (October 2002-October 2005)) will predict that 43 of the 47 core columns are stripped of their fireproofing on one or more floors and that fireproofing is stripped from trusses covering 60,000 ft2 of floor area, the equivalent of about one and a half floors. NIST will say that the loss of fireproofing is a major cause of the collapse (see April 5, 2005), but only performs 15 tests on fireproofing samples (see October 26, 2005). [National Institute of Standards and Technology, 9/2005, pp. 23] According to NIST, more fireproofing is stripped from the South Tower (see 9:03 a.m. September 11, 2001).

Judy Martz. [Source: Publicity photo]Emergency managers from around the US, including Federal Emergency Management Agency (FEMA) Director Joseph Allbaugh and representatives from the emergency management agencies of 47 states, are away from their home states at the time of the terrorist attacks, attending the annual conference of the National Emergency Management Association (NEMA) at a resort in Big Sky, Montana. The main focuses of the event have included the issues of domestic terrorism and weapons of mass destruction. [New York Times, 9/12/2001; State Government News, 10/2001 ] The conference began on September 8, and was originally planned to continue until September 12 (see September 8-11, 2001). [Natural Hazards Observer, 3/2001; National Emergency Management Association, 8/15/2001]
Emergency Managers Learn of Attacks - At 9:00 a.m., conference attendees are scheduled to participate in a series of sessions on domestic preparedness, which has been a key topic for NEMA over the past three years. [National Emergency Management Association, 8/15/2001; State Government News, 10/2001 ] According to the New York Times, “One of the day’s main seminar topics was how to prepare for terrorist attacks.” [New York Times, 9/12/2001] However, numerous pagers go off as officials are notified of the events in New York. By the time officials gather around the television in the resort’s bar to see what is happening, the second plane has hit the World Trade Center (see 9:03 a.m. September 11, 2001) and the nature of the emergency is obvious. [Stateline (.org), 9/10/2002]
Emergency Managers Respond to Attacks - After the emergency managers at the conference see the coverage of the attacks on television, they “automatically organized themselves into particular groups to focus on transportation issues or to capture information,” Trina Hembree, the executive director of NEMA, will later recall. [Stateline (.org), 10/11/2001] The emergency managers, along with federal personnel and private-sector members, go about coordinating their jurisdictions’ responses to the attacks from the resort. Hotel employees add phone lines and equipment so as to enable communication and the tracking of events. A 24-hour emergency operations center is set up, and teams are organized to address specific areas, such as transportation and medical needs. The emergency managers monitor events and stay in contact with their agencies by phone, and also attend briefings at the resort, where they are updated on the national situation. [State Government News, 10/2001 ]
State of Emergency Declared in Montana - Partly due to concerns over the safety of the emergency management officials at the conference, Montana Governor Judy Martz declares a state of emergency. [Stateline (.org), 9/13/2001] Furthermore, roads to the Big Sky resort are closed, and security for the resort is provided by the local sheriff’s department and volunteer fire department, the Montana Highway Patrol, the Montana National Guard, and the FBI.
Arrangements Made to Fly Key Officials Home - The conference’s organizers arrange for military aircraft to fly state emergency management leaders back to their capitals. [New York Times, 9/12/2001; State Government News, 10/2001 ] Allbaugh and officials from several states that are directly involved in the attacks are flown home throughout the day (see (After 11:00 a.m.) September 11, 2001, (After 11:00 a.m.) September 11, 2001, and (After 4:30 p.m.) September 11, 2001), but others at the conference have to drive long distances back to their states.
Emergency Managers 'Not Where They Wanted to Be' - As one news report will later describe, when the attacks occur, “emergency managers were not where they wanted to be.” FEMA spokesman Mark Wolfson will note the inconvenient timing of the attacks, saying that FEMA officials do not know whether they were timed to catch emergency officials off guard. “That would be speculation,” he says. “But it is something that law enforcement investigators might be looking at.” [Stateline (.org), 9/13/2001; State Government News, 10/2001 ] NEMA is the professional association of state emergency management directors. [Natural Hazards Observer, 3/2001] Hundreds of state emergency management officials, including almost all of the US’s state emergency management directors, and most of the senior FEMA staff are in Montana for its annual conference. [Stateline (.org), 9/13/2001; State Government News, 10/2001 ]

Paul Worcester. [Source: Paul Blackmore / Cape Cod Times]Senior commanders at Otis Air National Guard Base in Cape Cod, Massachusetts, become aware of the attacks on the World Trade Center from television coverage, and one commander then orders the base’s battle staff to assemble. The commanders have just been in the first of the base’s regular Tuesday morning meetings, which ended at 8:55 a.m. They are taking a short break before the next meeting, which is scheduled for 9:00 a.m., and are apparently unaware that a plane has crashed into the WTC.
Wing Commander Sees Burning WTC on Television - One of those in the meeting was Lieutenant Colonel Paul Worcester, the logistics group commander of the 102nd Fighter Wing, which is based at Otis. As Worcester walks past the break room he notices that everyone inside it is fixated on the television. He goes in to find what they are watching and gets his first sight of the coverage of the burning North Tower. Worcester finds it odd that a plane could have hit the WTC, and thinks to himself: “On such a clear day, planes don’t just go astray. That just doesn’t happen.” Although he is aware that the base’s two F-15s that are kept on alert have been scrambled in response to a suspected hijacking (see 8:46 a.m. September 11, 2001), he does not connect this with what he is seeing on television.
Commanders See Second Attack - Worcester is joined in the break room by more of the senior commanders. They watch as the live television coverage shows Flight 175 crashing into the South Tower (see 9:03 a.m. September 11, 2001), and all of them then realize that America is under attack. One commander immediately shouts out, “We need to go to battle staff!” The senior commanders disperse and head toward the adjacent operations building, where they will reconvene in the battle cab of the installation operations center (see Shortly After 9:03 a.m. September 11, 2001). A voice sounds out over the base’s loudspeakers: “The commander has ordered the 102nd core battle staff to assemble. Please report to the operations building immediately.”
Unit Mobilizes for War - Subsequently, as author Lynn Spencer will describe: “Under the leadership of the [102nd Fighter] Wing commander, the various subordinate group commanders cross-brief on scramble activity, training flight issues, available munitions, personnel available to begin uploading more fighters to combat-ready status, security force increases, and more. In short, they begin to mobilize the wing for war, keeping NEADS [NORAD’s Northeast Air Defense Sector] in the loop on their preparations.” [Spencer, 2008, pp. 87-88, 153-154]
Base Learned of First Hijacking 20 Minutes Earlier - The 102nd Fighter Wing of the Massachusetts Air National Guard, which is based at Otis Air Base, is responsible for protecting the Northeast United States, including New York, Washington, and Boston. Its mission includes defending the region against terrorist attacks. [Cape Cod Times, 9/12/2001; Cape Cod Times, 9/12/2001] On a typical day, it has about a dozen pilots on duty. [Cape Cod Times, 9/15/2001] It is equipped with 18 F-15 fighter jets, two of which are kept on 24-hour alert, ready to be in the air within five minutes of being called upon. [Boston Globe, 9/15/2001; Cape Cod Times, 9/21/2001] These were the two jets that launched at 8:46 a.m. in response to the hijacking of Flight 11. [9/11 Commission, 7/24/2004, pp. 20] The base was notified about this first hijacking shortly after 8:34 a.m. (see (8:36 a.m.-8:41) September 11, 2001). [Spencer, 2008, pp. 27-28] Why the senior commanders did not initiate their crisis response at that time is unclear.

A special radio transmitter that is carried by aircraft and designed to go off automatically if a plane crashes is activated in the New York area, several minutes before Flight 175 hits the World Trade Center. David Bottiglia, an air traffic controller at the FAA’s New York Center, receives information from one of the aircraft he is monitoring. A few seconds before 8:59 a.m., the pilot of US Airways Flight 583 tells him, “I hate to keep burdening you with this stuff, but now we’re picking up another ELT on 21.5.” [Federal Aviation Administration, 9/11/2001, pp. 37 ; 9/11 Commission, 10/1/2003 ; 9/11 Commission, 2004] An “ELT” is an emergency locator transmitter, a device carried on most general aviation aircraft in the US that is designed to automatically begin transmitting a distress signal if a plane should crash, so as to help search and rescue attempts at locating the downed aircraft. [Federal Aviation Administration, 3/23/1990; US Department of the Army, 8/12/2008, pp. E-6 ; Aircraft Owners and Pilots Association, 1/22/2009] “21.5” refers to the emergency frequency of 121.5 megahertz that ELTs transmit their distress signals on. [Aircraft Electronics Association, 2009, pp. 36 ] While the pilot’s information would mean an ELT is activated at around 8:58 a.m., Flight 175 will crash into the WTC several minutes later, at 9:03 a.m. and 11 seconds (see 9:03 a.m. September 11, 2001). [9/11 Commission, 7/24/2004, pp. 8] And yet there are no reports of an ELT going off at the time of the crash itself. The pilot of Flight 583 earlier on informed Bottiglia of another ELT signal, which had been transmitted shortly before Flight 11 hit the WTC (see 8:44 a.m. September 11, 2001). [New York Times, 10/16/2001; 9/11 Commission, 10/1/2003 ]

Brian Sweeney, a passenger on Flight 175, calls his parents in Spencer, Massachusetts, and tells his mother that his flight has been hijacked and that the passengers are considering storming the cockpit to gain control of the plane. [MetroWest Daily News, 9/12/2001; 9/11 Commission, 8/26/2004, pp. 22 ] Sweeney has just attempted to call his wife, Julie Sweeney, but she was not at home, so he left a message on the answering machine (see 8:59 a.m. September 11, 2001). [Los Angeles Times, 9/17/2001; 9/11 Commission, 7/24/2004, pp. 8]
Sweeney Says He Is on a Hijacked Plane - He now speaks with his mother, Louise Sweeney, saying: “Mom, it’s Brian. I’m on a hijacked plane and it doesn’t look good. I called to say I love you and I love my family.” [Federal Bureau of Investigation, 3/24/2004 ] The call is mostly personal in nature, but Sweeney says of the hijackers, “I don’t know who they are.” [Federal Bureau of Investigation, 9/11/2001] Sweeney’s wife will later tell the New York Daily News that he does, however, tell his mother that the hijackers are Middle Eastern. [New York Daily News, 3/9/2004]
Passengers Thinking of Fighting Back - Sweeney also says that passengers on Flight 175 are considering fighting back against the hijackers. [USA Today, 7/22/2004; 9/11 Commission, 7/24/2004, pp. 8] He says they are thinking of storming the plane’s cockpit. [Federal Bureau of Investigation, 9/11/2001] According to Sweeney’s wife, Sweeney tells his mother, “I might have to hang up quickly, we’re going to try to do something about this,” to which his mother replies: “Okay. Do what you have to do.” Sweeney flew an F-14 fighter jet in the 1991 Gulf War and was a US Navy flight instructor in Miramar, California, but he is now working as an aeronautics consultant for Brandes Associates, a Defense Department contractor. [New York Daily News, 3/9/2004; CNN, 3/10/2004] He is 6-foot-2 and weighs 225 pounds. [Washington Post, 9/16/2001] His wife will say he “could literally kill somebody with a twist of the neck. We could see him trying to do something about [the hijacking].” [New York Daily News, 3/9/2004]
Sweeney Refers to Psychic Television Show - Louise Sweeney asks her son where he is, and he says he believes his plane is flying somewhere over Ohio. [Federal Bureau of Investigation, 3/24/2004 ; 9/11 Commission, 8/26/2004, pp. 22 ] Sweeney says that “they [presumably the hijackers] are coming back.” [Federal Bureau of Investigation, 9/11/2001] He concludes the call by telling his mother: “Remember Crossing Over. Don’t forget Crossing Over.” Louise Sweeney will explain to the FBI that her son is “a very spiritual person who always believed that there was a life after death.” He is much interested in the television show Crossing Over with John Edward, in which the host supposedly communicates with the dead. Louise Sweeney believes her son is trying to comfort her with these words, letting her know he believes they will meet again in the next life.
Sweeney Speaks Quietly and Calmly - According to Louise Sweeney, her son’s voice sounds different to how it normally does. Whereas his usual tone is “effervescent,” during the call it is quiet and very calm, and she will later reflect that he sounds “p_ssed off.” She can hear no loud noises or commotion in the background. [Federal Bureau of Investigation, 3/24/2004 ] The call lasts 60 seconds. [9/11 Commission, 5/13/2004 ] Immediately after it ends, Louise Sweeney turns on her television and sees Flight 175 crashing into the World Trade Center (see 9:03 a.m. September 11, 2001). [Federal Bureau of Investigation, 9/11/2001; 9/11 Commission, 8/26/2004, pp. 22 ]
Conflicting Accounts of What Type of Phone Sweeney Uses - When Sweeney’s mother and his brother, John Sweeney, talk to the FBI over the phone later this morning, they will say Brian Sweeney made the call “from his cell phone.” [Federal Bureau of Investigation, 9/11/2001] Louise Sweeney will tell the FBI later in the day that her son called her “possibly from his cell phone.” [Federal Bureau of Investigation, 9/11/2001] But according to evidence prepared for the 2006 trial of Zacarias Moussaoui, the call is made using an Airfone, not a cell phone. Although Sweeney was originally assigned to seat 15A of the plane, he makes the call from row 31AB. [9/11 Commission, 5/13/2004 ; 9/11 Commission, 8/26/2004, pp. 90 ; US District Court for the Eastern District of Virginia, Alexandria Division, 7/31/2006]

Flight 175 hits the WTC South Tower. The picture was taken from a traffic helicopter. [Source: WABC 7/ Salient Stills]Flight 175 hits the South Tower of the World Trade Center (Tower Two). Seismic records pinpoint the time at six seconds before 9:03 a.m. (rounded to 9:03 a.m.). Hijackers Marwan Alshehhi, Fayez Ahmed Banihammad, Mohand Alshehri, Hamza Alghamdi, and Ahmed Alghamdi presumably are killed instantly, and many more in the tower will die over the next few hours. [New York Times, 9/12/2001; CNN, 9/12/2001; CNN, 9/17/2001; North American Aerospace Defense Command, 9/18/2001; USA Today, 12/20/2001; Federal Emergency Management Agency, 5/1/2002, pp. 1-10; New York Times, 5/26/2002; Associated Press, 8/21/2002; USA Today, 9/2/2002] According to the NIST report, the crash time is 9:02:59. [National Institute of Standards and Technology, 9/2005, pp. 38] According to the 9/11 Commission Report, the crash time is 9:03:11. [9/11 Commission, 7/24/2004, pp. 8] Millions watch the crash live on television. The plane strikes the 77th through 85th floors in the 110-story building. Approximately 100 people are killed or injured in the initial impact; 600 people in the tower eventually die. The death toll is far lower than in the North Tower because about two-thirds of the South Tower’s occupants have evacuated the building in the 17 minutes since the first tower was struck. [USA Today, 12/20/2001; National Institute of Standards and Technology, 9/2005, pp. 5-9, 41] The combined death toll from the two towers is estimated at 2,819, not including the hijackers. [Associated Press, 8/21/2002] The impact severs some columns on the south side of the South Tower. Each of the Twin Towers is designed as a “tube-in-tube” structure and the steel columns which support its weight are arranged around the perimeter and in the core. The plane, which is traveling at an estimated speed of around 500 mph (see October 2002-October 2005), severs 33 of the building’s 236 perimeter columns and damages another one. [National Institute of Standards and Technology, 9/2005, pp. 39] The perimeter columns bear about half of the tower’s weight, so the damage to them reduces the tower’s ability to bear gravity loads by about 7.1 percent. [National Institute of Standards and Technology, 9/2005, pp. 6] The actual damage to the 47 core columns is not known, as there are no photographs or videos of it, but there will be much speculation about this after 9/11. It will be suggested that some parts of the aircraft may be able to damage the core even after crashing through the exterior wall (see 8:46 a.m. September 11, 2001). [National Institute of Standards and Technology, 9/2005, pp. 107] According to NIST’s base case model, five of the core columns are severed and another five suffer some damage. [National Institute of Standards & Technology, 9/2005, pp. 235 ] This may reduce the tower’s ability to bear loads by a further approximately 8 percent, meaning that the aircraft impact accounted for a loss of about 15 percent of the building’s strength. This damage will be cited as an event contributing to the building’s collapse after 9/11 (see October 23, 2002 and October 19, 2004). NIST’s base case estimate of damage to the North Tower’s core will be similar, even though the aircraft impact there was dissimilar (see 8:46 a.m. September 11, 2001). Flight 11 hit the North Tower’s core head on, whereas Flight 175 only hits the corner of the South Tower’s core. [National Institute of Standards and Technology, 9/2005, pp. 20-23, 38-41] In addition, some of the fireproofing on the steel columns and trusses may be dislodged (see 8:46 a.m. September 11, 2001). [National Institute of Standards & Technology, 9/2005, pp. xxxvi, 83 ] Photographs and videos of the towers will not show the state of fireproofing inside the buildings, but the National Institute of Standards and Technology (NIST) will try to estimate the damage to fireproofing using a series of computer models. Its severe case model (see (October 2002-October 2005)) will predict that 39 of the 47 core columns are stripped of their fireproofing on one or more floors and that fireproofing is stripped from trusses covering 80,000 ft2 of floor area, the equivalent of about two floors. NIST will say that the loss of fireproofing is a major cause of the collapse (see April 5, 2005), but only performs 15 tests on fireproofing samples (see October 26, 2005). [National Institute of Standards and Technology, 9/2005, pp. 41] According to NIST, less fireproofing is stripped from the North Tower (see 8:46 a.m. September 11, 2001).

The second plane hitting the World Trade Center (see 9:03 a.m. September 11, 2001) causes internal alarms to go off in WTC Building 7, located just a few hundred feet away from the Twin Towers. The alarms warn there is no water pressure and that the building’s emergency power generator has been activated. Office of Emergency Management (OEM) staff, based in Building 7, immediately request air security over New York. They are told that federal support is on its way, but the Federal Aviation Administration instructs them to use NYPD and Port Authority Police Department air assets to clear the airspace around the WTC. They are also warned that the Kennedy Airport control tower is reporting an unaccounted for plane heading towards New York. A report by the Mineta Transportation Institute will claim that this plane is Flight 93, which later crashes in Pennsylvania. [Jenkins and Edwards-Winslow, 9/2003, pp. 16] However, Flight 93 is still flying west at this time, and only reverses course and heads towards Washington at around 9:36 a.m. (see (9:36 a.m.) September 11, 2001). According to at least one person at the scene, WTC 7 is evacuated around this time due to the reports of this incoming third plane (see (9:03 a.m.) September 11, 2001). [Jems And FireRescue Supplement, 3/2002, pp. 68 ]

Laura Bush, the president’s wife, leaves the White House in her limousine, on her way to Capitol Hill where she is scheduled to testify before a Congressional committee, but she is unaware that a second plane has crashed into the World Trade Center. [Us Weekly, 10/15/2001; National Journal, 8/31/2002; Bush, 2010, pp. 198] Bush is set to appear before the Senate Committee on Health, Education, Labor, and Pensions, where she will talk about early childhood education. [CNN, 9/12/2001; CNN, 9/11/2002] She was informed of the first crash at the WTC by her lead Secret Service agent as she was getting into her limousine (see (8:55 a.m.) September 11, 2001).
First Lady Unaware of Second Crash - The limousine leaves the White House at 9:07 a.m., according to Noelia Rodriguez, the first lady’s press secretary. [National Journal, 8/31/2002] The second aircraft, Flight 175, hit the WTC four minutes earlier (see 9:03 a.m. September 11, 2001). [9/11 Commission, 7/24/2004, pp. 8] However, Bush and those with her in the limousine are unaware of this. [Bush, 2010, pp. 197-198]
First Lady Thinks about Canceling Hearing - Nevertheless, Bush already thinks the Senate hearing she is on her way to should perhaps be canceled, because New York Senator Hillary Clinton is on the education committee and is therefore supposed to attend. Bush will comment, “Even after the first [crash], when I thought it was just an accident, I thought we probably should cancel, because Mrs. Clinton was on the committee and she’s from New York, and she’d probably want to rush home at that time.” [USA Today, 9/10/2001; Gerhart, 2004, pp. 162] All the same, Bush continues with the two-mile journey from the White House to Capitol Hill. She will learn of the second crash, and realize this is a terrorist attack, shortly before arriving at the Russell Senate Office Building, where the hearing is set to take place (see (9:14 a.m.) September 11, 2001).
Secret Service Allows Bush to Head to Event - Members of Bush’s Secret Service detail apparently raise no objection to Bush going ahead with her trip to Capitol Hill. [CNN, 9/11/2002; Gerhart, 2004, pp. 162; Bush, 2010, pp. 198] The Secret Service is responsible for protecting the first lady, and she is considered to be one of the nation’s “most visible targets.” [US Department of the Treasury, 5/8/2001; Office of Management and Budget, 7/2001, pp. 82 ] The agency’s mission includes keeping her “in sight and out of harm’s way,” according to a book about the Secret Service by author Philip Melanson. [Melanson, 2002, pp. 273] And, as one of the Secret Service’s “permanent protectees,” the first lady, like the president, has a detail of special agents assigned to her. [United States Secret Service, 2002] Bush currently travels with four Secret Service agents and two Secret Service cars. [Kessler, 2006, pp. 136; Kessler, 2009, pp. 181] However, the Secret Service will only take her away from Capitol Hill to a “secure location”—actually the agency’s headquarters—after the terrorist attacks have ended (see (10:10 a.m.-10:55 a.m.) September 11, 2001). [Associated Press, 9/11/2001; National Journal, 8/31/2002; Kessler, 2006, pp. 136]

Vice President Dick Cheney goes from his White House office to the Presidential Emergency Operations Center (PEOC), a bunker below the East Wing of the White House, at about this time, according to counterterrorism “tsar” Richard Clarke and others. There is no video link between response centers in the East and West Wings, but a secure telephone line is used instead. [New York Times, 9/16/2001; Daily Telegraph, 12/16/2001; ABC News, 9/14/2002; Clarke, 2004, pp. 3-4]
Cheney Leaves Office 'Just after 9 a.m.' - One eyewitness, David Bohrer, a White House photographer, will later say Cheney is taken to the PEOC by two or three Secret Service agents just after 9:00 a.m. [ABC News, 9/14/2002] Another eyewitness, President Bush’s personal secretary, Ashley Estes, will recall seeing Secret Service agents running down the hall, carrying Cheney along, just after she saw the second plane hit the World Trade Center on live television at 9:03 a.m. (see 9:03 a.m. September 11, 2001). [White House, 8/29/2002] White House adviser Karl Rove, who is with the president in Florida, will appear to corroborate this account, later telling NBC News that when Bush tries phoning Cheney at around 9:16 a.m., he is unable to contact him because “the vice president was being… grabbed by a Secret Service agent and moved to the bunker” (see (9:16 a.m.-9:29 a.m.) September 11, 2001). [MSNBC, 9/11/2002] And Transportation Secretary Norman Mineta will say that when he arrives at the PEOC, at around 9:20 a.m.-9:27 a.m., Cheney is already there (see (Between 9:20 a.m. and 9:27 a.m.) September 11, 2001). [MSNBC, 9/11/2002; 9/11 Commission, 5/23/2003; Academy of Achievement, 6/3/2006]
Cheney Leaves Office 'Just before 9:36' - However, there will be a second account claiming that Cheney does not leave his office until sometime after 9:30 a.m. (The 9/11 Commission will say he is evacuated “just before 9:36.”) In this account, Secret Service agents burst into Cheney’s office. They carry him under his arms—nearly lifting him off the ground—and propel him down the steps into the White House basement and through a long tunnel toward the underground bunker. [New York Times, 10/16/2001; Newsweek, 12/31/2001; Washington Post, 1/27/2002; BBC, 9/1/2002; MSNBC, 9/11/2002; 9/11 Commission, 6/17/2004] According to journalist and author Stephen Hayes, it takes “[l]ess than a minute” for the Secret Service agents to escort Cheney from his office down to the secure tunnel leading to the PEOC. [Hayes, 2007, pp. 335] Although its specifications are highly classified, two sources will tell journalist and author Barton Gellman that the PEOC is located two floors below ground. [Gellman, 2008, pp. 420]
Arrives at PEOC 'Shortly before 10:00' - Despite admitting that there “is conflicting evidence about when the vice president arrived” in the PEOC, the 9/11 Commission will conclude that the “vice president arrived in the room shortly before 10:00, perhaps at 9:58.” [9/11 Commission, 7/24/2004, pp. 40] In addition to the eyewitness accounts of Clarke, Mineta, and Bohrer, several accounts will claim that Cheney is in the bunker when he is told Flight 77 is 50 miles away from Washington, at about 9:26 a.m. (see (9:26 a.m.) September 11, 2001). This further supports the claims of Cheney going to the PEOC earlier on, rather than after 9:30.

The jet fuel that spilled from Flight 175 when it hit the South Tower (see 9:03 a.m. September 11, 2001) has mostly burned up by this time. The National Institute of Standards and Technology (NIST), which later investigates the collapses, will say the “initial jet fuel fires themselves lasted at most a few minutes.” [National Institute of Standards and Technology, 9/2005, pp. 183] Engineering professor Forman Williams will say the jet fuel “burned for maybe 10 minutes.” [Popular Mechanics, 3/2005] Flight 175, a Boeing 767, had a capacity of 23,980 gallons, but was only carrying about 9,100 gallons of fuel when it hit the WTC. NIST will estimate that less than 1,500 gallons were consumed in a fireball inside the tower and 910 to 2,275 gallons were consumed in the fireballs outside the building. Approximately 6,100 gallons therefore splashed onto the office furnishings and started fires on various floors. However, after the jet fuel is used up, office fires burn until the building collapses. NIST will calculate that there were about four pounds per square foot of combustibles in the office space, or about 60 tons per floor. Offices in the WTC actually had fewer combustibles than other similar spaces due to the small number of interior walls and limited bookshelf space. NIST will later find that only three of sixteen perimeter columns it recovers reached a temperature of 250°C and neither of the two core columns it retrieves reached this temperature. NIST will also find that none of the samples it acquires reached a temperature above 600°C (see August 27, 2003). While steel does not melt until its temperature is about 1,600°C, it may begin to lose significant strength at over 500°C. [National Institute of Standards and Technology, 9/2005, pp. 29, 38, 42, 77] The jet fuel also burned up in the North Tower about 10 minutes after it was hit (see 8:57 a.m. September 11, 2001). When a group of firefighters reach the bottom impact floor in the South Tower just before collapse, they only find two isolated fires (see 9:52 a.m. September 11, 2001).

Noelia Rodríguez. [Source: Harvard University]Laura Bush, the president’s wife, is told that a second plane has crashed into the World Trade Center and realizes this is a terrorist attack while she is being driven from the White House to Capitol Hill, where she is scheduled to testify before a Congressional committee. [Us Weekly, 10/15/2001; CNN, 9/11/2002; Bush, 2010, pp. 197-198] Bush is set to appear before the Senate Committee on Health, Education, Labor, and Pensions at 10:00 a.m., where she will talk about early childhood education. [USA Today, 9/10/2001; CNN, 9/12/2001; CNN, 9/11/2002] Her lead Secret Service agent informed her of the first crash at the WTC as she was getting into her limousine, outside the White House, but she’d thought the crash was an accident (see (8:55 a.m.) September 11, 2001). [National Journal, 8/31/2002; Gerhart, 2004, pp. 162]
First Lady Told of Second Crash, Knows It Is Terrorism - The Secret Service agents traveling with Bush now tell the first lady about the second crash at the WTC while her limousine is driving up Pennsylvania Avenue, approaching Capitol Hill. “The car fell silent; we sat in mute disbelief,” Bush will later recall. “One plane might be a strange accident; two planes were clearly an attack.” She will note, “We knew then that it was terrorism.” [CNN, 9/11/2002; Bush, 2010, pp. 198]
Members of First Lady's Staff Learn of Crash - Members of Bush’s staff also learn about the second crash around this time, while they are on their way to Capitol Hill. Ashleigh Adams, the first lady’s deputy press secretary, learns of it while traveling in the press van. “It must have been only a couple of minutes after we departed the White House,” Adams will recall, “that the reporters’ and photographers’ pagers and cell phones started to go off, and someone shouted to me, ‘Ashleigh, the second Twin Tower was hit.’” Adams calls Noelia Rodriguez, the first lady’s press secretary, who is traveling in the staff van, and tells her the news. After Rodriguez arrives on Capitol Hill, she will jump out of the staff van, run to Bush’s limousine, and get inside. But she will find that the first lady has already been informed of the second crash. [National Journal, 8/31/2002]
First Lady Learns of Crash 11 Minutes after It Occurs - Bush will recall that she arrives at the Russell Senate Office Building, where the hearing she is set to attend is supposed to take place, two minutes after she is told about the second crash, at 9:16 a.m., meaning she learns of the crash at 9:14 a.m. [Bush, 2010, pp. 198] This is 11 minutes after the second plane, Flight 175, hit the WTC (see 9:03 a.m. September 11, 2001). [9/11 Commission, 7/24/2004, pp. 8]

The Russell Senate Office Building. [Source: Senate Photography Studio]Laura Bush, the president’s wife, spends time in the office of Senator Edward Kennedy (D-MA) after arriving at the Russell Senate Office Building on Capitol Hill, where she was originally scheduled to testify before the Senate education committee. [Bush, 2010, pp. 197-199] Bush was set to appear before the Senate Committee on Health, Education, Labor, and Pensions, which Kennedy chairs, at 10:00 a.m., to talk about early childhood education. [USA Today, 9/10/2001; CNN, 9/12/2001; CNN, 9/11/2002]
First Lady Arrives at Senate Building - She arrives at the Russell Senate Office Building at 9:16 a.m. [National Journal, 8/31/2002; Bush, 2010, pp. 198] Her Secret Service agents informed her of the first crash at the World Trade Center as she was getting into her limousine for the drive from the White House to Capitol Hill (see (8:55 a.m.) September 11, 2001) and told her about the second crash a couple of minutes before she arrives at the Russell Office Building (see (9:14 a.m.) September 11, 2001). [CNN, 9/11/2002; Bush, 2010, pp. 197-198] Kennedy, who has been informed of the attacks in New York, goes to greet Bush when she arrives. [CNN, 9/11/2002; Kennedy, 2009, pp. 492]
First Lady and Kennedy Discuss 'Mundane Things' - After Kennedy meets Bush, the two agree immediately to postpone the Senate hearing. [Us Weekly, 10/15/2001; Andersen, 2002, pp. 4] Instead of going to the hearing room, they go to Kennedy’s office, accompanied by members of Bush’s staff. [National Journal, 8/31/2002; Kessler, 2006, pp. 135] A television is on in the corner of the room, showing the coverage of the burning WTC towers. However, rather than focusing on the attacks in New York, Kennedy takes Bush on a tour of his office, pointing out various pictures, furniture, and pieces of memorabilia. He also presents her with a print of a painting he has done. [Bush, 2010, pp. 198] Bush will later recall that she and Kennedy talk about “mundane things,” such as the Capitol and the offices there. [CNN, 9/11/2002; Gerhart, 2004, pp. 162]
Senator Gregg Joins First Lady and Kennedy - After a time, they are joined by Senator Judd Gregg (R-NH), who is on the education committee and is a Bush family friend. While Gregg and Bush sit on couches in the office, Bush will recall, Kennedy continues “chatting about anything other than the horrific images unfolding on the tiny screen across the room.” Gregg will say: “I think Senator Kennedy was trying to distract everybody, keep us thinking about other things, maybe. But we were talking about some other items [besides the terrorist attacks], actually.” However, Bush keeps glancing at the television to see the coverage of the attacks. [CNN, 9/11/2002; Bush, 2010, pp. 198-199]
Secret Service Agents 'Frantically' Seek Details of Attacks - While the first lady is in Kennedy’s office, her Secret Service agents and senior staff “frantically worked their earpieces and cell phones to get a handle on the unfolding attacks,” according to Us Weekly magazine. Although those in the room aren’t catching everything about the attacks that is being shown on television, Bush will recall that they “knew what was happening because people kept coming in.” [Us Weekly, 10/15/2001] However, members of Bush’s staff have difficulty contacting others. Noelia Rodriguez, the first lady’s press secretary, will say, “Nobody could get a cell [phone call] to get through, and we took turns using the office phone.” [National Journal, 8/31/2002]
First Lady Works on Public Statement - The first lady and those with her watch President Bush delivering a short statement to the nation from the Emma E. Booker Elementary School in Sarasota, Florida, at 9:30 a.m. (see 9:30 a.m. September 11, 2001) on a small television on the desk of Kennedy’s receptionist. [White House, 9/11/2001; CNN, 9/12/2001; Bush, 2010, pp. 199] Although Jim Manley, Kennedy’s spokesman, initially tells reporters that the senators and the first lady will not be making any statements to the press, Kennedy subsequently decides they should. [Gerhart, 2004, pp. 161] Therefore, after watching the president’s statement, the first lady goes to a private room with Rodriguez and they start writing down what she will say. [National Journal, 8/31/2002] Kennedy, Gregg, and Bush will appear before the press at around 9:41 a.m. (see 9:41 a.m. September 11, 2001). [CNN, 9/11/2001; Bush, 2010, pp. 199]

Brian Wilson. [Source: Publicity photo]There is apparently no increase in the level of security at the Capitol building in Washington, DC, even though First Lady Laura Bush has arrived at the nearby Russell Senate Office Building and more than 10 minutes have passed since a second plane hit the World Trade Center. [Gilbert et al., 2002, pp. 64; 9/11 Commission, 7/24/2004, pp. 8; Bush, 2010, pp. 198] At 9:16 a.m., Bush arrived at the Russell Senate Office Building, located just north of the Capitol building, where she was scheduled to testify before a Senate committee at 10:00 a.m. [USA Today, 9/10/2001; CNN, 9/12/2001; Bush, 2010, pp. 198]
Reporter Sees No Signs of Increased Security - The first lady is considered one of the nation’s “most visible targets,” and, as one of the Secret Service’s “permanent protectees,” like the president, she has a detail of special agents assigned to her. [US Department of the Treasury, 5/8/2001; Office of Management and Budget, 7/2001, pp. 82 ; United States Secret Service, 2002] And yet, even though Bush has arrived on Capitol Hill, and over 10 minutes have passed since the second aircraft hit the WTC (see 9:03 a.m. September 11, 2001), there is apparently no increase in the level of security at the Capitol building. Fox News correspondent Brian Wilson will later recall that when reporting from the Capitol building around this time, he is “talking about the first lady being in the Capitol and saying that I had not seen any signs of tighter security in the building.”
Reporter Surprised at Plan to Hold a Photo Op - Wilson is also surprised that, although the Senate hearing Bush was scheduled to attend has been canceled, the first lady is still going to make a public appearance. He will comment that “they were (incredibly) trying to set up a brief photo opportunity.” [Gilbert et al., 2002, pp. 64; 9/11 Commission, 7/24/2004, pp. 8] (Wilson is presumably referring to Laura Bush’s appearance before reporters and cameras alongside Senators Edward Kennedy (D-MA) and Judd Gregg (R-NH), which takes place at 9:41 a.m. (see 9:41 a.m. September 11, 2001). [Associated Press, 9/11/2001; CNN, 9/11/2001; Bush, 2010, pp. 199] )
Capitol Evacuated Later On - The Capitol building will only be evacuated at 9:48 a.m., apparently in response to reports of a plane heading toward it (see 9:48 a.m. September 11, 2001). [Associated Press, 9/11/2001; Associated Press, 8/21/2002; CNN, 9/11/2006] The first lady will only be taken away from the Russell Office Building to a “secure location” by members of the Secret Service at 10:10 a.m. (see (10:10 a.m.-10:55 a.m.) September 11, 2001). [Associated Press, 9/11/2001; National Journal, 8/31/2002; Bush, 2010, pp. 200]

Government buildings in Washington, DC, are not evacuated prior to the attack on the Pentagon at 9:37 a.m. As CNN will describe, even after the attacks on the World Trade Center and the FAA’s warning to the military of a hijacked aircraft apparently heading toward Washington (see 9:21 a.m. September 11, 2001 and (9:24 a.m.) September 11, 2001), “the federal government failed to make any move to evacuate the White House, Capitol, State Department, or the Pentagon.” [CNN, 9/16/2001] Although a slow evacuation of the White House begins around 9:20 a.m. (see (9:20 a.m.) September 11, 2001), it is not until 9:45 that the Secret Service orders people to run from there (see (9:45 a.m.) September 11, 2001). [CNN, 9/11/2001; CNN, 9/12/2001; ABC News, 9/11/2002] Other government buildings, including the Capitol (see 9:48 a.m. September 11, 2001), the Justice Department, the State Department, and the Supreme Court, will not be evacuated until between 9:45 and 10:45 a.m. [US News and World Report, 9/14/2001; US Department of State, 8/15/2002] Robert Bonner, who was recently nominated as Commissioner of Customs, will later estimate that he was evacuated from the Treasury Department at “about 9:35 a.m.” [9/11 Commission, 1/26/2004; US Department of Homeland Security, 9/20/2004] But other accounts say the Treasury Department is not evacuated until after the Pentagon attack. [Associated Press, 9/11/2001; Reuters, 9/11/2001; US Department of State, 9/11/2002] Furthermore, journalist and author Robert Draper will describe that, even after the State and Treasury departments have been evacuated: “no agents thought to take charge of the Commerce Department, which housed 5,000 employees. Eventually, Secretary [of Commerce] Don Evans got tired of waiting for orders and had someone drive him to his home in McLean, where he sat for hours until he finally made contact with the Secret Service.” [Draper, 2007, pp. 143] According to CNN, prior to the Pentagon attack, “neither the FAA, NORAD, nor any other federal government organ made any effort to evacuate the buildings in Washington. Officials at the Pentagon said that no mechanism existed within the US government to notify various departments and agencies under such circumstances [as occur on 9/11].” [CNN, 9/16/2001]

Stacia Rountree. [Source: Vanity Fair]Colin Scoggins, the military liaison at the FAA’s Boston Center, contacts NORAD’s Northeast Air Defense Sector (NEADS) and incorrectly notifies it that another aircraft, Delta Air Lines Flight 1989, is a possible hijacking. [9/11 Commission, 2004; Vanity Fair, 8/1/2006] Boston Center previously called NEADS at 9:27 and said that Delta 1989 was missing (see 9:27 a.m. September 11, 2001). [North American Aerospace Defense Command, 9/11/2001; 9/11 Commission, 5/23/2003]
NEADS Technicians Respond - At NEADS, Stacia Rountree, the ID technician who takes Scoggins’s call, announces to her colleagues: “Delta ‘89, that’s the hijack. They think it’s possible hijack.… South of Cleveland.” The plane’s transponder is still on, and she adds, “We have a code on him now.” Rountree’s team leader, Master Sergeant Maureen Dooley, instructs: “Pick it up! Find it!” The NEADS technicians quickly locate Delta 1989 on their radar screens, just south of Toledo, Ohio, and start alerting other FAA centers to it. [Vanity Fair, 8/1/2006; Spencer, 2008, pp. 177] NEADS mission crew commander Major Kevin Nasypany will be notified by his staff of the suspected hijacking at about 9:41 or 9:42 a.m. [9/11 Commission, 1/22/2004 ] NEADS never loses track of Delta 1989. It will follow it on radar as it reverses course over Toledo, heads east, and then lands in Cleveland (see (10:18 a.m.) September 11, 2001). [9/11 Commission, 7/24/2004, pp. 28] It will order Air National Guard fighter jets from Selfridge and Toledo to intercept the flight (see (9:55 a.m.) September 11, 2001 and 10:01 a.m. September 11, 2001). [Spencer, 2008, pp. 178-179] But it will soon learn that Delta 1989 is not in fact hijacked. [9/11 Commission, 7/24/2004, pp. 28]
Cleveland Center, Not Boston, Handling Delta 1989 - Although Boston Center notifies NEADS of the suspected hijacking, Delta 1989 is in fact being handled by the FAA’s Cleveland Center. [USA Today, 8/13/2002; 9/11 Commission, 7/24/2004, pp. 10-12] Cleveland Center air traffic controllers suspected that Delta 1989 had been hijacked at around 9:30 a.m. (see (9:28 a.m.-9:33 a.m.) September 11, 2001), but apparently only informed the FAA’s Command Center, and not NEADS, of this. [USA Today, 8/13/2002] To explain why Boston Center alerts NEADS to the flight, the 9/11 Commission will later comment that, “Remembering the ‘we have some planes’ remark” (see 8:24 a.m. September 11, 2001), the Boston Center simply “guessed that Delta 1989 might also be hijacked.”
Similar to First Two Hijacked Planes - Like Flights 11 and 175, the two aircraft that have crashed into the World Trade Center (see 8:46 a.m. September 11, 2001 and 9:03 a.m. September 11, 2001), Delta 1989 took off from Boston’s Logan Airport. [9/11 Commission, 7/24/2004, pp. 27-28] According to the New York Times, it left there at about the same time as Flights 11 and 175 did, meaning around 8:00 to 8:15 a.m. [New York Times, 10/18/2001; 9/11 Commission, 7/24/2004, pp. 32] Like those two aircraft, it is a Boeing 767. [USA Today, 8/13/2002; 9/11 Commission, 7/24/2004, pp. 27-28] But, unlike those flights, its transponder has not been turned off, and so it is still transmitting a beacon code. [9/11 Commission, 7/24/2004, pp. 28; Vanity Fair, 8/1/2006] It is unclear what Delta 1989’s intended destination is. According to some accounts, like Flights 11 and 175 were, it is bound for Los Angeles. [Associated Press, 9/11/2001; New York Times, 10/18/2001; USA Today, 8/13/2002; Arizona Daily Star, 9/24/2007; Spencer, 2008, pp. 167] Other accounts will say that its destination is Las Vegas. [9/11 Commission, 7/24/2004, pp. 28; Vanity Fair, 8/1/2006] Personnel at NEADS are apparently informed that Las Vegas is the intended destination. Around this time, one member of staff there tells her colleagues that the flight is “supposed to go to Vegas.” [North American Aerospace Defense Command, 9/11/2001]
One of Numerous Incorrect Reports - The 9/11 Commission will comment: “During the course of the morning, there were multiple erroneous reports of hijacked aircraft (see (9:09 a.m. and After) September 11, 2001). The report of American 11 heading south was the first (see 9:21 a.m. September 11, 2001); Delta 1989 was the second.” [9/11 Commission, 7/24/2004, pp. 28]

Laura Bush with Senators Edward Kennedy and Judd Gregg. [Source: CNN]First Lady Laura Bush, Senator Edward Kennedy (D-MA), and Senator Judd Gregg (R-NH) appear before reporters and television cameras to announce that a planned Senate education committee hearing has been postponed, and to comment on the terrorist attacks in New York. [Associated Press, 9/11/2001; CNN, 9/11/2001; Bush, 2010, pp. 199] Bush was scheduled to testify before the Senate Committee on Health, Education, Labor, and Pensions, which Kennedy chairs, at 10:00 a.m. [USA Today, 9/10/2001; CNN, 9/12/2001] She now goes with Kennedy and Gregg to the Caucus Room in the Russell Senate Office Building, to tell reporters there that the hearing has been called off. [Time, 12/31/2001; Bush, 2010, pp. 199] The beginning of their appearance is shown live on CNN.
Hearing Has Been Postponed, Not Canceled - Kennedy starts by emphasizing that today’s hearing has been postponed, rather than canceled, and then says, “We are not going to see the business of America deferred because of terrorism, whether it’s in education or another area of public policy.” [Associated Press, 9/11/2001; CNN, 9/11/2001; CNN, 9/11/2001]
First Lady Becomes 'Comforter in Chief' - After Kennedy asks her if she would like to say anything, Bush says to the reporters: “Our hearts and our prayers go out to the victims of this act of terrorism and… our support goes to the rescue workers. And all of our prayers are with everyone there right now.” Then, as she and the senators turn to leave, Laurence McQuillan of USA Today says to her: “Children are kind of struck by all this. Is there a message you could tell to the nation’s…” Before he can finish the sentence, Bush replies, “Parents need to reassure their children everywhere in our country that they’re safe.” [CNN, 9/11/2002; Gerhart, 2004, pp. 163; Bush, 2010, pp. 199] With these words, journalist and author Ronald Kessler will later write, Bush “became the comforter in chief, calmly reassuring the nation and dispensing advice on how parents should deal with the tragedy.” [Kessler, 2006, pp. 136] Noelia Rodriguez, the first lady’s press secretary, will later comment that Bush’s response to McQuillan is “what people remember her for that day.” [National Journal, 8/31/2002] As Bush, Kennedy, and Gregg are leaving the room, Bush’s advance man will receive a call informing him of the attack at the Pentagon (see (9:45 a.m.-9:50 a.m.) September 11, 2001). [Bush, 2010, pp. 200]

President Bush’s daughters Barbara and Jenna. [Source: ABC News]After boarding Air Force One, President Bush is concerned about the safety of his wife and daughters. He heads directly to his private cabin near the front of the plane, and then his first act is to order his Secret Service agents to get additional protection for his twin daughters, Barbara and Jenna, who are both at university, and his wife Laura, who is on Capitol Hill (see 9:16 a.m.-9:40 a.m. September 11, 2001 and 9:41 a.m. September 11, 2001). At about 10:37 a.m., Bush will be informed that all three have successfully been moved to safe locations (see (10:37 a.m.) September 11, 2001). [New Yorker, 9/25/2001; Woodward, 2002, pp. 16; Sammon, 2002, pp. 99-100, 108]

The Russell Senate Office Building Caucus Room. [Source: Architect of the Capitol]First Lady Laura Bush and those accompanying her head toward the office of Senator Judd Gregg (R-NH) after they learn of the attack on the Pentagon and Bush’s Secret Service agents instruct them to go to the basement of the building they are in. [CNN, 9/11/2002; Bush, 2010, pp. 200] Bush has just appeared before reporters in the Caucus Room of the Russell Senate Office Building, on Capitol Hill, alongside Gregg and Senator Edward Kennedy (D-MA) (see 9:41 a.m. September 11, 2001).
Advance Man Told of Pentagon Attack - As Bush and the senators are walking out of the Caucus Room, John Meyers, the first lady’s advance man, receives a call on his cell phone. The caller, a friend of his, says that “CNN was reporting that an airplane had crashed into the Pentagon,” Bush will later write. [Time, 12/31/2001; Bush, 2010, pp. 199-200]
Secret Service Says First Lady and Staff Cannot Leave Yet - Before going to the Caucus Room, Bush spent time in Kennedy’s office (see 9:16 a.m.-9:40 a.m. September 11, 2001). [National Journal, 8/31/2002; CNN, 9/11/2002] She now goes back there. Then, she will recall, she begins “moving quickly toward the stairs, to reach my car to return to the White House.” But suddenly, Ron Sprinkle, Bush’s lead Secret Service agent, turns toward the first lady and her staff and tells them they need to head immediately to the basement of the Russell Senate Office Building, Bush will recall. [Bush, 2010, pp. 200] Andi Ball, the first lady’s chief of staff, who is with Bush at this time, will give a slightly different account. She will say that as Bush and her staff are walking down the corridor, on their way to the cars that will take them to the White House, Bush’s Secret Service agents tell them, “[W]e can’t go right now.” The agents say they all “need to go back and wait a few minutes.” Ball will add: “Our agents thought another plane was coming toward Washington. The Capitol was being evacuated.” [Kessler, 2006, pp. 136] (The Russell Senate Office Building and the nearby Capitol building are evacuated at 9:48 a.m., apparently due to concerns that a plane is heading toward Capitol Hill (see 9:48 a.m. September 11, 2001). [Associated Press, 9/11/2001; Associated Press, 8/21/2002; CNN, 9/11/2006] )
First Lady and Entourage Go to Senator's Office - The group then takes off “at a run,” according to Bush. Gregg suggests they all go to his office, which is on a lower floor and is an interior room. Bush’s Secret Service agents then tell Meyers that they are waiting for the emergency response team to arrive. They say the team will take the first lady away but leave her staff behind. Overhearing this conversation, Bush turns back and says, “No, everyone is coming.” Bush and her entourage then reach Gregg’s office, where they will remain until the Secret Service takes them away to a “secure location” at around 10:10 a.m. (see (9:50 a.m.-10:00 a.m.) September 11, 2001, (Shortly After 10:00 a.m.) September 11, 2001, and (10:10 a.m.-10:55 a.m.) September 11, 2001). [National Journal, 8/31/2002; Bush, 2010, pp. 200]

Senator John Kerry looks up to the sky as he and others evacuate. [Source: CBC]The Capitol building in Washington, DC is evacuated. [Associated Press, 8/21/2002] It is the first time in US history this has ever happened. [Chicago Tribune, 9/12/2001; New York Times, 9/12/2001] Both the Senate and the House are in session at the time. [CNN, 8/17/2002] Capitol Police officers go through the building and order people to leave at once. [Washington Post, 9/12/2001; CNN, 9/11/2002]
Reports of Plane Approaching the Capitol - The evacuation appears to be in response to reports of a plane heading toward the Capitol. [Associated Press, 9/11/2001; CNN, 8/17/2002; Bamford, 2004, pp. 80-81] According to CNN congressional correspondent Dana Bash, “the Capitol Police were hearing, in their radio, that there was a plane—another plane in the air, likely headed for the Capitol.” [CNN, 9/11/2006] When a Capitol Police officer instructs Senate Majority Leader Tom Daschle (D-SD) to leave the building, he says: “We have word that an airplane is heading this way and could hit the building anytime. You need to evacuate.”
'Nothing Orderly' about Evacuation - However, there are problems with the evacuation. According to Daschle, “The fire alarm system, which was working in the nearby Senate office buildings, was never activated in the Capitol, so there were people who weren’t aware that an evacuation was taking place.” Also, some individuals are reluctant to leave. [Daschle and D'Orso, 2003, pp. 109-110] Rep. Bob Stump (R-AZ) will recall: “They tried to throw me out three times, but they didn’t succeed. I figured I was safer in the building than out on the street.” [Associated Press, 9/11/2001] Daschle will recall that there is “nothing orderly” about the evacuation. Outside the building “No one knew what to do or where to go. People congregated on the grass and in the parking lot. Senators and staff were mixed in with tourists, all staring up at the sky, wondering what might be headed our way.” [Daschle and D'Orso, 2003, pp. 110] CNN will report, “[S]ome of the most high ranking officials in the United States government were just kind of scattered around this area without a gathering point.” [CNN, 9/11/2006]
Sergeant at Arms Concerned over Poor Security - Al Lenhardt, the Senate’s sergeant at arms, will later say how alarmed he was “to see members of Congress and their staffs mixed in with visitors and passersby wandering in the open around the Capitol grounds. One of the tactics that terrorists have been known to employ is to create a diversion to move their intended target to the area where the actual attack will take place. Al imagined a bomb or gunfire erupting right there on the lawn outside the Capitol.” [Daschle and D'Orso, 2003, pp. 111] Eventually, many of the members of Congress go to the Capitol Police headquarters, which then serves as their command center for the day (see (9:55 a.m. and After) September 11, 2001 and (10:00 a.m.-6:30 p.m.) September 11, 2001). [CNN, 9/11/2002; Daschle and D'Orso, 2003, pp. 112]

Candy Crowley. [Source: CNN]After the Capitol building in Washington is evacuated (see 9:48 a.m. September 11, 2001), those located around it—including members of Congress—experience serious problems communicating by phone and other means. CNN senior political correspondent Candy Crowley will describe: “Nobody knew anything.… Nobody had any way to communicate.… The cell phones went down. Eventually… the personal BlackBerrys that bring your e-mail to you, they went down. And inside the Capitol, remember [there are] still switchboard operators there. Inside the Capitol, the phones worked only on and off.” According to Senator Edward Kennedy (D-MA), there is “no communication whatsoever going on.” [CNN, 9/11/2002] Senate Majority Leader Tom Daschle (D-SD) will recall: “People were punching their cell phones to no avail. The lines were jammed.” [Daschle and D'Orso, 2003, pp. 110] Consequently, for more than an hour Daschle’s own staff is unable to establish where he is. [Washington Post, 1/27/2002] House Speaker Dennis Hastert (R-IL) was experiencing communications problems even before he was evacuated from the Capitol, while trying to contact Vice President Dick Cheney by phone (see (9:04 a.m.-9:45 a.m.) September 11, 2001). [Hastert, 2004, pp. 6; Hayes, 2007, pp. 336] Whether others at the Capitol also experienced similar difficulties prior to the evacuation is unclear. What causes these problems is uncertain. However, numerous other people in the Washington area, including senior government officials, also experience serious communications problems throughout the day (see (After 8:55 a.m.) September 11, 2001).

Speaker of the House Dennis Hastert (R-IL), who is third in line for the presidency, is evacuated from the US Capitol building and flown to a secret underground bunker in Virginia, where he remains until late in the afternoon. [ABC News, 9/11/2001; ABC News, 9/15/2002] Around 9:48, the Capitol building had begun evacuating (see 9:48 a.m. September 11, 2001). At that time, Hastert was on the House floor. Two members of his security detail now enter the chamber and tell him, “We’re going to evacuate the Capitol, and you’re going to a secure location.” They take him out of the building and drive him hurriedly to Andrews Air Force Base, ten miles southeast of Washington. After he arrives there, Hastert is finally able to communicate with Vice President Dick Cheney, who is at the White House. (Hastert had been trying to contact Cheney earlier on, but without success (see (9:04 a.m.-9:45 a.m.) September 11, 2001.) Cheney tells Hastert: “There’s a real danger. I want you to go to a secure location.” [Hastert, 2004, pp. 8-9] Hastert gets on a helicopter and is flown to the secret underground bunker at Mount Weather in Bluemont, Virginia, 48 miles outside Washington—about 20 minutes journey by air. [Bulletin of the Atomic Scientists, 11/2001; ABC News, 9/15/2002; Bamford, 2004, pp. 81] In the following hours, other top members of the House and Senate leaderships will join him there (see (Between Late Morning and Early Afternoon) September 11, 2001). [ABC News, 9/11/2001; Hastert, 2004, pp. 10] Hastert remains at the secure facility for several hours, and will return to Washington late in the afternoon (see (Between 5:00 p.m. and 6:00 p.m.) September 11, 2001). [Daily Herald (Arlington Heights), 9/11/2002] Hastert’s evacuation to Mount Weather is the result of “Continuity of Government” (COG) orders, which provide for evacuating the third and fourth in the line of presidential succession during a national emergency, in order to protect the nation’s constitutional leadership. [Washington Post, 1/27/2002] Counterterrorism “tsar” Richard Clarke activated the COG plan shortly before 10:00 a.m. this morning (see (Between 9:45 a.m. and 9:56 a.m.) September 11, 2001). [Clarke, 2004, pp. 8]

After the US Capitol building in Washington is evacuated (see 9:48 a.m. September 11, 2001), many members of Congress go to the nearby Capitol Police headquarters for safety, but others head elsewhere and some go home. [Daschle and D'Orso, 2003, pp. 111-112] Although the Capitol began evacuating around 9:48, no one has instructions on where to go. “Rank-and-file lawmakers didn’t have guidance from their leaders or from Capitol Police.” [Washington Post, 1/27/2002] Many of them therefore remain in the vicinity of the Capitol building. [New York Times, 9/12/2001] Senate Majority Leader Tom Daschle (D-SD) is quickly driven away by his security detail after being evacuated from the Capitol. However, according to Daschle, the contingency plan for emergencies “directed us to convene at the Hart Senate Building, right next to the Capitol. But that was considered unsafe in this situation.” Therefore, “Some members of Congress who lived in the area decided to simply go home.” Others convene at the 116 Club, a restaurant on Capitol Hill. “The remaining senators were finally directed to the Capitol Police headquarters a block and a half away, where it was decided members of Congress would be safest. That became Congress’s central command center for the rest of the day” (see (10:00 a.m.-6:30 p.m.) September 11, 2001). However, while Daschle and some others are taken there early on (Daschle will recall being at the headquarters when the first World Trade Center tower collapses at 9:59), many others do not go there until later. [Daschle and D'Orso, 2003, pp. 111-112] Deputy Chief James Rohan of the Capitol Police keeps hearing complaints from his officers nearby the Capitol building, saying: “I’ve got all these congressmen wandering around here. What do you want me to do with them?” According to CNN, “the police assumed that those who weren’t in the [Congressional] leadership… would go home, but of course they didn’t.” Therefore, they are eventually brought to the Capitol Police headquarters as well. Several hundred members of Congress go to the headquarters during the day. [CNN, 9/11/2002] Around late morning or early afternoon, Congressional leaders leave there and are flown to a secure bunker outside Washington (see (Between Late Morning and Early Afternoon) September 11, 2001). [Washington Post, 1/27/2002] Many other members of Congress remain at the headquarters throughout the afternoon. [Washington Post, 9/12/2001; Daschle and D'Orso, 2003, pp. 116-117]

The South Tower of the World Trade Center collapses. [Source: Associated Press]The South Tower of the World Trade Center tilts to the southeast and then collapses. It was hit by Flight 175 at 9:03 a.m., 56 minutes earlier (see 9:03 a.m. September 11, 2001). [Washington Post, 9/12/2001; New York Times, 9/12/2001; MSNBC, 9/22/2001; USA Today, 12/20/2001; Associated Press, 8/21/2002; ABC News, 9/11/2002; National Institute of Standards and Technology, 9/2005, pp. 44] The first sign of the collapse is visible on floor 82. [National Institute of Standards and Technology, 9/2005, pp. 87] The angle of the tilt will be disputed after 9/11 (see September-November 2005), as will the time it takes the towers to fall to the ground (see September 12, 2001-September 2005). [Scientific American, 10/9/2001; Eagar and Musso, 12/2001; PBS Nova, 5/2002; National Institute of Standards and Technology, 8/30/2006]

Twenty minutes after the 9/11 attacks in New York (see 8:46 a.m. September 11, 2001 and 9:03 a.m. September 11, 2001) and Washington (see 9:37 a.m. September 11, 2001), a bomb truck is stationed in downtown Oklahoma City, in preparation for any potential bombing related to the 1995 Oklahoma City bombing (see 8:35 a.m. - 9:02 a.m. April 19, 1995). Additionally, an Oklahoma County Sheriff’s Department command post is activated where convicted bombing conspirator Terry Nichols (see September 5, 2001) is being held. [The Oklahoman, 4/2009]

Secret Service emergency response team officers patrolling the South Lawn of the White House. [Source: Associated Press]Laura Bush, the president’s wife, is escorted out of the Russell Senate Office Building in Washington, DC, by members of the Secret Service with their guns drawn, to be driven away to a secure location. [National Journal, 8/31/2002; Bush, 2010, pp. 200] People began evacuating from the Russell Senate Office Building and the nearby Capitol building at 9:48 a.m., apparently due to concerns that a plane was heading toward Capitol Hill (see 9:48 a.m. September 11, 2001). [Associated Press, 9/11/2001; Associated Press, 8/21/2002; CNN, 9/11/2006] While Bush and her staff were waiting for the Secret Service emergency response team to arrive and take them away from the Russell Office Building, they stayed in the office of Senator Judd Gregg (R-NH) (see (9:50 a.m.-10:00 a.m.) September 11, 2001).
Emergency Response Team Arrives with Guns Drawn - Secret Service agents collect the first lady from Gregg’s office at “[s]ometime after 10:00 a.m.,” Bush will later recall. [Bush, 2010, pp. 200] Bush usually travels with four Secret Service agents. [Kessler, 2006, pp. 136; Kessler, 2009, pp. 181] But her usual agents are now joined by “an additional Secret Service detail and an emergency response team, dressed in black tactical clothing like a SWAT force and moving with guns drawn.” As Bush is being hurried through the hallways, past panicked staffers leaving their offices, members of the emergency response team escorting her shout, “Get back!” and cover her every move with their guns. [Bush, 2010, pp. 200]
First Lady Escorted to Her Limousine - Noelia Rodriguez, the first lady’s press secretary, will recall that she and several other members of Bush’s staff reach Bush’s limousine before the first lady does. While they are waiting there, they chat excitedly, asking each other: “What could this be? Where are we going? What’s next?” But the driver instructs them to be quiet, saying, “Ladies, this is a time to pay attention.” “Just then,” Rodriguez will say, “what seemed like two dozen of these ninja guys surrounded the car—Secret Service agents all dressed in black. Mrs. Bush then got in the car.” [National Journal, 8/31/2002] Bush will describe, “We reached the underground entrance; the doors on the motorcade slammed shut, and we sped off.” [Bush, 2010, pp. 200]
Motorcade Delayed before Leaving Capitol Hill - However, Bush and those accompanying her reportedly face a delay as they are about to drive off. Ashleigh Adams, the first lady’s deputy press secretary, will describe, “At one point, we were all going to leave, and then Mrs. Bush got out of the motorcade and they [presumably members of the Secret Service] told us to stay in the staff van.” At this point, Adams will say, “Everyone was distraught” and they “didn’t know what was going on.” She will add: “We knew something was going on in DC, because we could see people running around. A lot of us were under the impression that there were car bombs going off throughout the city.” Bush and those accompanying her leave Capitol Hill at 10:10 a.m., according to Rodriguez. [National Journal, 8/31/2002] Bush’s Secret Service agents say they are going to take everyone to a secure location. This turns out to be the Secret Service headquarters in Washington (see (10:10 a.m.-10:55 a.m.) September 11, 2001). [Kessler, 2006, pp. 136]

Andi Ball. [Source: White House]Laura Bush, the president’s wife, and her entourage are driven from Capitol Hill to the Secret Service headquarters in Washington, DC, for their own security, but their journey is slowed by the heavy traffic. [Woodward, 2002, pp. 17; National Journal, 8/31/2002; Kessler, 2006, pp. 136; Bush, 2010, pp. 200-201] Bush has been at the Russell Senate Office Building in Washington, where she was originally scheduled to testify before a Senate committee. [CNN, 9/12/2001; Woodward, 2002, pp. 16-17] Her Secret Service agents have said they are going to take the first lady and her staff to a secure location. [Kessler, 2006, pp. 136] After the Secret Service emergency response team arrived for her, Bush was escorted out of the Russell Senate Office Building and to her limousine (see (Shortly After 10:00 a.m.) September 11, 2001). Bush and those accompanying her leave Capitol Hill at 10:10 a.m., according to Noelia Rodriguez, the first lady’s press secretary.
Agents with Guns Drawn Protect Motorcade - Secret Service agents protect Bush’s motorcade with their guns as it heads to the secure location. Ashleigh Adams, the first lady’s deputy press secretary, will later recall, “It felt like we were in a war, because the Secret Service was driving next to the motorcade and they were hanging out of the windows with their machine guns out.” She will add that she has “been around the agents” before, but has “never seen them with their guns.”
Motorcade Delayed by Traffic - However, the motorcade is slowed by the heavy traffic. Bush will describe, “Outside our convoy windows, the city streets were clogged with people evacuating their workplaces and trying to reach their own homes.” Rodriguez will say, “In the car, we seemed to be going in slow motion.” [National Journal, 8/31/2002; Bush, 2010, pp. 200] “The traffic was so bad that everything was stopped,” Andi Ball, Bush’s chief of staff, will recall. One of the Secret Service agents escorting Bush and her staff will later say a car sideswiped them during the journey.
Secure Location Is Secret Service Headquarters - The “secure location” that Bush and her staff are being taken to turns out to be the Secret Service headquarters. [Kessler, 2006, pp. 136] The Secret Service headquarters, according to journalist and author Ronald Kessler, is “an anonymous nine-story tan brick building on H Street at Ninth Street NW in Washington.” [Kessler, 2009, pp. 23] It is located a few blocks from the White House. After the Oklahoma City bombing in 1995 (see 8:35 a.m. - 9:02 a.m. April 19, 1995) it was reinforced to survive a large-scale blast. Bush and her entourage arrive there through an underground entrance. [Washington Post, 8/23/2009; Bush, 2010, pp. 200-201]
Journey Reportedly Takes 45 Minutes - The exact time they arrive at is unclear. According to Washington Post reporter Bob Woodward, “In the traffic jam from the Capitol, it took 45 minutes to get [Bush] to Secret Service headquarters.” This would mean the first lady arrives there at around 10:55 a.m. [Woodward, 2002, pp. 17] However, Bush will write that she watches the North Tower of the World Trade Center collapsing “live in front of my eyes,” on a screen at the headquarters. [Bush, 2010, pp. 201] If this is correct, she must arrive at the headquarters sometime before 10:28 a.m., when the North Tower comes down (see 10:28 a.m. September 11, 2001). [9/11 Commission, 7/24/2004, pp. 311] White House spokespeople will refuse to disclose where the first lady has been taken to, only saying she is at a “secure location.” [Associated Press, 9/11/2001; CNN, 9/12/2001; CNN, 9/11/2002]

The North Tower collapses in a matter of seconds. [Source: Ray Stubblebine/ Reuters/ Landov] (click image to enlarge)The North Tower of the World Trade Center tilts to the south and then collapses. Its north side was hit by Flight 11 at 8:46, 102 minutes earlier. [CNN, 9/12/2001; New York Times, 9/12/2001; MSNBC, 9/22/2001; Kim and Baum, 2002 ; Associated Press, 8/21/2002; National Institute of Standards and Technology, 9/2005, pp. 33] After the antenna starts to move (see (10:28 a.m. September 11, 2001)), the next sign that the top section of the building is moving downward is on floor 98, at the top of the impact zone. [National Institute of Standards and Technology, 9/2005, pp. 22, 87] The angle of the tilt will be disputed after 9/11 (see September-November 2005), as will the time it takes the towers to fall to the ground (see September 12, 2001-September 2005). [Scientific American, 10/9/2001; Eagar and Musso, 12/2001; PBS Nova, 5/2002; National Institute of Standards and Technology, 8/30/2006] The death toll could have been much worse—an estimated 15,000 people made it out of the WTC to safety after 8:46 a.m. [St. Petersburg Times, 9/8/2002]

President Bush, who is on Air Force One, is informed that his wife, Laura Bush, and his daughters, Jenna and Barbara, have been moved to safe locations. When he got on Air Force One in Sarasota, Florida, Bush was concerned about the safety of his wife and daughters, and requested additional protection for them (see (9:44 a.m.) September 11, 2001). At that time, the first lady was on Capitol Hill, in Washington, DC (see 9:16 a.m.-9:40 a.m. September 11, 2001 and 9:41 a.m. September 11, 2001). Barbara and Jenna Bush are students at Yale and the University of Texas, respectively. [New Yorker, 9/25/2001; Sammon, 2002, pp. 100, 108]
President Told Wife and Daughters Are Safe - Edward Marinzel, the head of Bush’s Secret Service detail, who is with the president on Air Force One, has been contacted by Secret Service Director Brian Stafford, and told that the first lady and the president’s daughters have all been safely relocated. [United States Secret Service, 2001] This news is now passed on to the president by Andrew Card, Bush’s chief of staff. Card tells Bush that the first lady is “in a secure location with the Secret Service and that his daughters had been removed to safer locations,” Washington Post reporter Bob Woodward will later write. [Woodward, 2002, pp. 18] The first lady is taken to the Secret Service headquarters, in Washington (see (10:10 a.m.-10:55 a.m.) September 11, 2001 and (10:55 a.m.) September 11, 2001). [Bush, 2010, pp. 200-201] Barbara and Jenna Bush are taken to the Secret Service office in New Haven, Connecticut, and the Driskill Hotel in Austin, Texas, respectively (see 10:51 a.m.-10:57 a.m. September 11, 2001). [Woodward, 2002, pp. 17]
President Given Phone Number for First Lady - Bush then asks Card, jokingly, about Barney, his Scottish terrier. Card replies, “He’s nipping at the heels of Osama bin Laden now.” [New Yorker, 9/25/2001; Sammon, 2002, pp. 108] Bush also requests, and is provided with, a direct contact telephone number for the first lady. [United States Secret Service, 2001] But according to the president’s senior adviser, Karl Rove, who is on Air Force One at this time, the news that his wife and daughters have been secured “reassured the president and allowed him to put off calling Laura until later in the morning, when events provided a brief window to do so.” [Rove, 2010, pp. 258] It will be nearly 11:45 a.m. before Bush is able to talk to the first lady (see (Shortly Before 11:45 a.m.) September 11, 2001). [Bush, 2010, pp. 132]

Laura Bush, the president’s wife, and her entourage arrive at the Secret Service headquarters in Washington, DC, where they will remain for much of the rest of the day, and where they make phone calls to their relatives and watch television coverage of the terrorist attacks. [Woodward, 2002, pp. 17; National Journal, 8/31/2002; Bush, 2010, pp. 201-203] Bush and her staff have been brought to the headquarters for their own security by members of the Secret Service. The building, located a few blocks from the White House, is strengthened to survive a large-scale blast. Bush and those accompanying her were driven there from the Russell Senate Office Building, on Capitol Hill (see (10:10 a.m.-10:55 a.m.) September 11, 2001). [Associated Press, 9/11/2001; Kessler, 2006, pp. 136; Bush, 2010, pp. 200-201] They are initially taken to the office of Brian Stafford, the Secret Service director, which is on an upper floor of the building. [Draper, 2007, pp. 143; Bush, 2010, pp. 201]
First Lady and Staff Call Their Families - Bush tells her staffers to call their families. Noelia Rodriguez, the first lady’s press secretary, will later recall, “Mrs. Bush told us, ‘Find phones, get hold of your families, and let them know you are okay.’” Bush calls her daughters, Jenna and Barbara, and her mother (see (Between 11:00 a.m. and 11:40 a.m.) September 11, 2001). [National Journal, 8/31/2002; Bush, 2010, pp. 202] She will also talk with President Bush while at the headquarters (see (Shortly Before 11:45 a.m.) September 11, 2001). [Bush, 2010, pp. 132; Bush, 2010, pp. 202-203]
First Lady Moved to Basement - After a time, the first lady and her staff are moved from the director’s office to the basement of the headquarters, apparently after they have made their phone calls. Ashleigh Adams, the first lady’s deputy press secretary, will recall, “[W]e took turns using the telephone and then we went to another floor where there was a large-screen TV.” Journalist and author Robert Draper will note that Bush’s Secret Service agents move the first lady after realizing that, in light of the day’s attacks, having her on an upper floor is “perhaps not such a hot idea.” [National Journal, 8/31/2002; Draper, 2007, pp. 143; Bush, 2010, pp. 201] In the basement, Bush and her staff go to the William Wood Conference Room. [Woodward, 2002, pp. 17] The windowless room has a large display screen across one wall, showing a constant TV feed. “For a while,” she will recall, Bush sits “in a small area off the conference room, silently watching the images on television.” According to Adams, “Mrs. Bush didn’t want the volume up, so we just sat there watching the TV like a silent movie.”
First Lady and Staff Lack a 'True Sense' of What Is Happening - Bush will describe the “chaos” regarding the attacks that she and those with her experience, writing: “It got so that we were living in five-minute increments, wondering if a new plane would emerge from the sky and hit a target. All of us in that basement conference room and many more in the Secret Service building were relying on rumors and on whatever news came from the announcers on television. When there were reports of more errant planes or other targets, it was almost impossible not to believe them.” According to Adams, “Because the TV was on, but we didn’t have volume, it was hard to have a true sense of what was going on.” Bush and her staff will remain in the conference room for several hours. [National Journal, 8/31/2002; Bush, 2010, pp. 201-203]

Laura Bush with her mother, Jenna Welch. [Source: Tara Engberg / White House]Laura Bush, the president’s wife, talks over the phone to her daughters, Jenna and Barbara, and then to her mother, after arriving at the Secret Service headquarters in Washington, DC. [ABC, 9/18/2001 ; Bush, 2010, pp. 202] Bush and her entourage were brought to the Secret Service headquarters for their own security (see (10:10 a.m.-10:55 a.m.) September 11, 2001). Upon arriving, they were taken to the director’s office (see (10:55 a.m.) September 11, 2001). [Kessler, 2006, pp. 136; Bush, 2010, pp. 200-201] There, Bush told her staffers to call their families and let them know they were alright. [National Journal, 8/31/2002]
First Lady Calls Daughters at 'Secure Locations' - Bush now makes her own calls. First, she calls her twin daughters, Barbara and Jenna, who are both at university. [Us Weekly, 10/15/2001; Bush, 2010, pp. 202] She tried to call them earlier this morning, but was told they had been taken to “secure locations” (see (9:50 a.m.-10:00 a.m.) September 11, 2001). [Newsweek, 12/3/2001; Andersen, 2002, pp. 6] Barbara and Jenna Bush have now reached these “secure locations” (see 10:51 a.m.-10:57 a.m. September 11, 2001). [Sammon, 2002, pp. 108; Woodward, 2002, pp. 17] The first lady will later recall that she calls her daughters now “to make sure they were fine and to tell them I was fine.” [Us Weekly, 10/15/2001] She tells them they are “going to be safe and that… I loved them and… that things were going to be alright,” she will say. [ABC, 9/18/2001 ]
First Lady Calls Mother for Reassurance - Bush then calls her mother, Jenna Welch, at her home in Midland, Texas. [Andersen, 2002, pp. 7; Bush, 2010, pp. 202] Bush will describe: “I called my mother to tell her I was fine. But the fact is I was calling her to hear her voice, to be reassured myself.” [Us Weekly, 10/15/2001] However, when she tries phoning President Bush at this time, her calls cannot get through. She will eventually talk to him at around 11:45 a.m. (see (Shortly Before 11:45 a.m.) September 11, 2001). [Bush, 2010, pp. 132; Bush, 2010, pp. 202-203]

United Airlines issues a press release confirming that Flight 93 has crashed. Flight 93 went down in Pennsylvania shortly after 10:00 a.m. (see (10:06 a.m.) September 11, 2001). The release states: “United Airlines has confirmed one of its flights has crashed near Pittsburgh, Pennsylvania. United Flight 93, a Boeing 757 aircraft, is the flight number involved. The flight originated in Newark and was bound for San Francisco.” The release adds, “United is deeply concerned about a further flight, United Flight 175, a Boeing 767, which was bound from Boston to Los Angeles.” [United Airlines, 9/11/2001] Although Flight 175 hit the World Trade Center at 9:03 (see 9:03 a.m. September 11, 2001), United Airlines will not publicly confirm it has crashed until 11:53 a.m. (see 11:53 a.m. September 11, 2001).

United Airlines finally issues a press release confirming that Flight 175 has crashed, nearly three hours after this aircraft hit the World Trade Center (see 9:03 a.m. September 11, 2001). The release states, “United Airlines has now confirmed that two of its aircraft have crashed.” These include “United Flight 175, a Boeing 767 aircraft, [that] departed from Boston at 7:58 a.m. local time, bound for Los Angeles, with 56 passengers onboard, two pilots and seven flight attendants.” [United Airlines, 9/11/2001] United Airlines previously issued a press release, at 11:17, confirming the crash of Flight 93 (see 11:17 a.m. September 11, 2001), but this had stated that the airline was, at that time, only “deeply concerned” about Flight 175. [United Airlines, 9/11/2001] However, at 9:22, the United Airlines System Operations Control manager had issued an advisory to all the airline’s facilities, stating that Flight 175 had been in an accident in New York (see 9:22 a.m. September 11, 2001). [9/11 Commission, 8/26/2004, pp. 26 ] And Colin Scoggins, the military liaison at the FAA’s Boston Center, will later claim that United confirmed to the center that Flight 175 was down, “within two or three minutes” (see (9:06 a.m.) September 11, 2001). [Vanity Fair, 8/1/2006]

Mount Weather. [Source: Department of Homeland Security]Congressional leaders are evacuated from Washington and flown to Mount Weather, a secret and secure bunker in Virginia, where they remain until late in the afternoon. [Los Angeles Times, 9/12/2001; Washington Post, 1/27/2002; ABC News, 9/15/2002] The Capitol building was evacuated shortly after the Pentagon was hit (see 9:48 a.m. September 11, 2001). Most of the leadership teams of both parties subsequently assemble at the Capitol Police building. [Daschle and D'Orso, 2003, pp. 112] Around late morning or early afternoon, orders are given to take them to a secure location outside Washington. The Congressional leaders return to outside the Capitol building, and from there are flown by military helicopter to Mount Weather. [Washington Post, 1/27/2002] Each is allowed to bring one staff member with them. [Daschle and D'Orso, 2003, pp. 114] The Mount Weather Emergency Operations Facility in Bluemont, Virginia, is located 48 miles—about 20 minutes journey by air—from Washington. [Bulletin of the Atomic Scientists, 11/2001; ABC News, 9/15/2002] It was originally built to serve as the new seat of government if there was a nuclear war. [ABC News, 9/11/2001] The underground complex contains about 600,000 square feet of floor space, and can accommodate several thousand people. [Bulletin of the Atomic Scientists, 11/2001] It has extensive communication systems linking it to the nationwide network of Federal Emergency Management Agency (FEMA) bunkers, relocation sites, and the White House Situation Room. [Center for Land Use Interpretation Newsletter, 3/2002] Members of Congress taken to the facility include House Majority Leader Dick Armey (R-TX), House Majority Whip Tom DeLay (R-TX), House Minority Leader Dick Gephardt (D-MO), House Minority Whip David Bonior (D-MI), Senate Majority Leader Tom Daschle (D-SD), Senate Minority Leader Trent Lott (R-MS), Assistant Senate Majority Leader Harry Reid (D-NV), and Senate Minority Whip Don Nickles (R-OK). [Hastert, 2004, pp. 10] Speaker of the House Dennis Hastert (R-IL) was taken there earlier on (see (9:50 a.m.) September 11, 2001). [Bamford, 2004, pp. 80-81] The Congressional leaders will remain at Mount Weather until later in the afternoon, and then return to the Capitol around 6:00 p.m. (see (Between 5:00 p.m. and 6:00 p.m.) September 11, 2001). [ABC News, 9/15/2002; Daschle and D'Orso, 2003, pp. 116; Hastert, 2004, pp. 10] The decision to send them outside Washington on this day has its roots in a top secret program dating back to the cold war, which serves to ensure the “Continuity of Government” (COG) in the event of an attack on the US (see 1981-1992). [United Press International, 9/11/2001; CNN, 9/11/2002; Mann, 2004, pp. 138-139] Counterterrorism “tsar” Richard Clarke activated the COG plan shortly before 10:00 a.m. this morning (see (Between 9:45 a.m. and 9:56 a.m.) September 11, 2001). [Clarke, 2004, pp. 8]

President Bush and Laura Bush with their dogs, Barney and Spot. [Source: White House]Laura Bush, the president’s wife, is told by her Secret Service agents to be prepared to leave Washington, DC, for several days, and members of her staff then go to the White House to fetch some of her belongings. [National Journal, 8/31/2002; Bush, 2010, pp. 203] Bush is at the Secret Service headquarters in Washington, where she was brought for her own safety (see (10:10 a.m.-10:55 a.m.) September 11, 2001 and (10:55 a.m.) September 11, 2001). [Kessler, 2006, pp. 136] At the headquarters, there is “a debate over what to do with [President Bush] and what to do with me,” the first lady will later recall. Her Secret Service agents tell her “to be prepared to leave Washington for several days at least.” To help her prepare, several members of her staff briefly return to the White House and collect some of her belongings. They are escorted there at about 1:30 p.m., according to Noelia Rodriguez, Bush’s press secretary. Sarah Moss, Bush’s assistant, collects some of the first lady’s clothes. John Meyers, Bush’s advance man, collects the Bush family dogs, Spot and Barney, and the family cat, India. While they are at the White House, the first lady’s staffers also collect their own purses and keys. The Secret Service agent with them instructs them: “Be fast. Run. Get your things.” The staffers then return to the Secret Service headquarters. However, Bush and those with her at the headquarters subsequently learn that the president will be returning to Washington today (see (4:00 p.m.) September 11, 2001 and (4:33 p.m.) September 11, 2001). It will therefore be decided that the first lady can stay in the capital. She will be taken to the White House at 6:30 p.m. (see 6:30 p.m. September 11, 2001). [National Journal, 8/31/2002; Bush, 2010, pp. 203]

Members of Laura Bush’s staff who are with the first lady at the Secret Service headquarters in Washington, DC, go to the White House and then head home. [National Journal, 8/31/2002] Most of Bush’s staffers are with the first lady at the Secret Service headquarters, having been with Bush for her scheduled appearance on Capitol Hill this morning. (Bush’s other staffers stayed behind at the White House.) [ABC, 9/18/2001 ] They were brought to the headquarters for their own safety (see (10:10 a.m.-10:55 a.m.) September 11, 2001 and (10:55 a.m.) September 11, 2001). [Kessler, 2006, pp. 136] Some of them briefly returned to the White House earlier in the afternoon, to collect some of Bush’s belongings (see (1:30 p.m.) September 11, 2001). Members of Bush’s staff now leave the Secret Service headquarters and go to the White House a final time. There, they have to show a Secret Service agent their IDs. “Then,” according to Noelia Rodriguez, the first lady’s press secretary, “it was time to go home.” The first lady will head back to the White House at 6:30 p.m. (see 6:30 p.m. September 11, 2001). [National Journal, 8/31/2002; Bush, 2010, pp. 203]

Laura Bush, the president’s wife, is driven, by members of the Secret Service, to the White House from the Secret Service headquarters in Washington, DC, and is then escorted down to the Presidential Emergency Operations Center (PEOC) below the White House. [Bush, 2010, pp. 203-204] Bush was brought to the Secret Service headquarters this morning for her own safety (see (10:10 a.m.-10:55 a.m.) September 11, 2001 and (10:55 a.m.) September 11, 2001). [Woodward, 2002, pp. 17; Kessler, 2006, pp. 136]
First Lady Reassured that No More Attacks Will Occur - There, she spent much of the afternoon “like most other Americans, glued to the television,” according to Us Weekly magazine. Bush was, however, “perhaps more at ease than the average American because her [Secret Service] agents were receiving news before it was reported on television.” Bush will later recall: “[A]fter some time, we started hearing from our agents that most of the planes [in US airspace] had been accounted for, fairly early in the day, I think, before they really started announcing it on television. So at some point we started feeling reassured that [a terrorist attack] wasn’t going to happen again that day.” After Bush and those with her learned that the president would be returning to Washington today (see (4:00 p.m.) September 11, 2001 and (4:33 p.m.) September 11, 2001), Bush’s Secret Service agents decided that the first lady could go back to the White House.
First Lady Arrives at White House - At 6.30 p.m., she will recall, Bush gets into a Secret Service motorcade and is driven to the White House by Dave Saunders, one of her agents. [CNN, 9/11/2001; Us Weekly, 10/15/2001; Kessler, 2006, pp. 136; Bush, 2010, pp. 203] It is a short journey, as the Secret Service headquarters is just a few blocks from the White House. [Washington Post, 8/23/2009] Bush is driven along the deserted streets and then her vehicle goes at full throttle through the gate of the White House. She notices “[h]eavily armed men in black” swarming over the White House grounds. She then gets out of the vehicle, preceded by her Secret Service agents.
First Lady Taken to Underground Conference Room - Bush is “hustled inside” the White House, she will recall, and taken “downstairs through a pair of big steel doors that closed behind me with a loud hiss, forming an airtight seal.” She then walks along the hallway below the White House to the PEOC, and is taken into the conference room adjacent to the PEOC’s “nerve center.” Those already in the room include National Security Adviser Condoleezza Rice, White House counselor Karen Hughes, and deputy White House chief of staff Josh Bolten. Vice President Dick Cheney and his wife, Lynne Cheney, are also there. Lynne Cheney comes over and hugs the first lady. She then whispers into the first lady’s ear, “The plane that hit the Pentagon circled the White House first” (see 9:34 a.m.- 9:37 a.m. September 11, 2001). This information, Bush will comment, causes a “shiver” to “vibrate down [her] spine.” [Bush, 2010, pp. 203-204] President Bush will join the first lady in the PEOC at 7:10 p.m., after he arrives at the White House (see 7:10 p.m. September 11, 2001). [Bush, 2010, pp. 137-138; Bush, 2010, pp. 204-205] Staffers who were with the first lady at the Secret Service headquarters went to the White House and then headed home at around 4:30 p.m. (see (4:30 p.m.) September 11, 2001). [National Journal, 8/31/2002]

One of the key variables in the computer simulations used by the National Institute of Standards and Technology (NIST) (see (October 2002-October 2005)) to explain the WTC collapses is the speed of the aircraft that hit the towers. However, there is no consensus on how fast the planes were traveling. The first estimate was contained in an initial research paper by engineers Zdenek Bazant and Yong Zhou, who stated that the planes were traveling at 342 miles per hour. [Bazant and Zhou, 1/2002 ] However, the Federal Emergency Management Agency (FEMA) and American Society of Civil Engineers (ASCE) report said that the plane that hit the North Tower was traveling at 470 miles per hour, whereas the plane that hit the South Tower was traveling at 590 miles per hour (see May 1, 2002). [Federal Emergency Management Agency, 5/1/2002, pp. 31] NIST initially estimates speeds of 435 miles per hour for the plane that hit the North Tower and 497 miles per hour for the plane that hit the South Tower. These estimates closely match figures produced by the Massachusetts Institute of Technology, which finds speeds of 429 miles per hour and 503 miles per hour for the two planes. However, NIST is dissatisfied with these results and does a second study, which finds speeds of 466 and 545 miles per hour. It then uses speeds of 472 and 570 miles per hour in its severe case model, on which its final report is based. In this model, the simulation of the planes traveling faster means greater damage to the towers’ structure, making them more unstable. [Kausel, 5/2002 ; National Institute of Standards & Technology, 9/2005, pp. 152-165 ; National Institute of Standards and Technology, 9/2005, pp. 109]

Matthys Levy. [Source: PBS]A report is made publicly available, which the Engineering News-Record calls the “most comprehensive study yet on the destruction of the World Trade Center.” The study was commissioned by WTC leaseholder Silverstein Properties Inc. to support a $7 billion insurance claim, and conducted by a team of engineers from several leading firms, including Weidlinger Associates, LZA Technology/Thornton-Tomasetti, and ARUPFire. It is intended to build on a previous study sponsored by FEMA (see May 1, 2002). The report’s findings are based on an analysis of original structural drawings, thousands of photos, and dozens of videos. Investigators used fire evaluation techniques and powerful computer software to simulate the condition of each tower at critical times between the planes’ impacts and the towers’ collapses. The earlier FEMA investigators had no access to such computer modeling. Matthys Levy, the chairman of Weidlinger Associates and one of the engineers on the study team, says, “The buildings had tremendous reserve capacity and that was reflected in all of the elements we analyzed. In fact, because there were so much excess capacity, the columns even in the impact floors did not buckle immediately, but failed as the result of the fire.” The report states that failure of the WTC’s steel floor supports (“trusses”) did not contribute to the collapses. Instead, the collapses were caused by the failure of steel structural columns that were either destroyed when the planes hit or lost fireproofing, leaving them vulnerable to the weakening effects of the ensuing fires. It says that debris and dust distributed by the plane crashes inhibited the fires, such that the average air temperatures on the impact floors were between 400 and 700°C (750-1,300°F): significantly lower than those associated with typical “fully developed” office fires. However, says Matthys Levy, “By the time the temperature inside the buildings reached 400 degrees, the steel would have lost approximately 50% of its strength. Eventually, gravity took over and the towers began to fall.” Then, according to the analysis led by researchers from LZA Technology/Thornton-Tomasetti, “Once collapse initiated in each tower, essentially all of the interior structure of the tower fell straight down with floors pancaking on top of one another. The network of perimeter steel columns and spandrels acted like a chute to funnel the interior contents into the tower footprint.” According to the computer simulations, the damage to the South Tower’s steel core columns was so severe that the tower should have collapsed immediately after the plane hit. Civil engineer John Osteraas says this incorrect result casts doubt upon some of the study’s predictions. The report concludes that the collapse of the South Tower did not cause or contribute to the subsequent collapse of the North Tower, thus supporting Silverstein Properties’ claim that the terrorist attack represented two occurrences, entitling it to two $3.5 billion insurance policy limits. A separate study commissioned by the insurers contradicts this (see October 23, 2002). The Silverstein report apparently does not examine the collapse of WTC Building 7, a 47-story skyscraper that also collapsed on 9/11 (see (5:20 p.m.) September 11, 2001). It has been passed on to the National Institute of Standards and Technology (NIST), which is undertaking its own investigation of the WTC collapses (see August 21, 2002). [New York Times, 9/30/2002; Business Insurance, 10/23/2002; Silverstein Properties, Inc., 10/23/2002 ; Engineering News-Record, 10/25/2002; New York Times, 10/29/2002; Engineering News-Record, 11/4/2002; Real Estate Weekly, 4/30/2003]

Shyam Sunder. [Source: NIST]The National Institute of Standards and Technology (NIST) releases nearly 500 pages of documents, detailing the latest findings of its investigation of the WTC collapses on 9/11. These include its hypotheses for the collapse sequences of each of the Twin Towers; details of their analysis of interviews with nearly 1,200 building occupants, emergency responders, and victims’ relatives; and information from their analysis of the emergency response and evacuation procedures. Their investigation into the collapses is based upon an analysis of thousands of photos and videos, examination of many of the elements used to construct the towers, and computer-enhanced modeling of the plane impacts and the spreading of the fires. Their hypothesis is that the towers collapsed ultimately due to the fires they suffered: As the fires burned, the buildings’ steel core columns buckled and shortened. This shifted more load to the buildings’ perimeter columns, which were already affected by the heat of the fires, and caused them to give way under the increased stress. Investigators have conducted a test with a reconstructed section of the WTC floor, and found that the original fireproofing was sufficient to meet the New York City building code. They say that had a typical office fire occurred in the towers, without the structural damage and the loss of some fireproofing caused by the plane impacts, it is likely the buildings would have remained standing. Lead investigator Dr. Shyam Sunder says, “The buildings performed as they should have in the airplane impact and extreme fires to which they were subjected. There is nothing there that stands out as abnormal.” NIST’s theories of why the WTC buildings collapsed conflict with an earlier investigation by FEMA, which claimed the collapse of the North Tower had begun in its core, rather than its perimeter columns (see May 1, 2002). [National Institute of Standards and Technology, 10/19/2004; New York Times, 10/20/2004]

The National Institute of Standards and Technology (NIST), which is conducting an investigation into the WTC collapses on 9/11, releases three new reports. Investigators say that the Twin Towers would probably have remained standing if the fireproofing material that surrounded the buildings’ structural steel had not been stripped away when the planes hit. Their report states that “[t]he jet fuel, which ignited the fires, was mostly consumed within the first few minutes after impact. The fires that burned for almost the entire time that the buildings remained standing were due mainly to burning building contents and, to a lesser extent, aircraft contents, not jet fuel.” However, they claim, without the loss of fireproofing during the planes’ impacts, the heat from the fires would have been insufficient to cause the buildings to collapse. They say that although the architects had in 1964 tested the impact of a Boeing 707 airplane crashing into the 80th floor of one of the towers, they never envisioned the intense fires that ensued. NIST also reports that the time taken by survivors from the North Tower to descend a flight of stairs was about double the slowest evacuation speed estimated in a standard fire engineering text. They state: “approximately 87 percent of the WTC tower occupants, including more than 99 percent below the floors of impact, were able to evacuate successfully.” However, they say, if each tower had been full when they were hit, as many as 14,000 people could have died. [National Institute of Standards and Technology, 4/5/2005; Associated Press, 4/5/2005; New York Times, 4/5/2005; Associated Press, 4/6/2005]

National Institute of Standards and Technology (NIST) releases a 12-page appendix to its final reports on the WTC collapses (see October 26, 2005) detailing tests it conducted on samples of the type of fireproofing used in the WTC. An earlier NIST report had concluded that loss of fireproofing was a major factor in the collapses (see April 5, 2005). The appendix was not included in earlier drafts of the report (see June 23, 2005) [National Institute of Standards and Technology, 6/23/2005 ; National Institute of Standards & Technology, 9/2005, pp. 263-274 ; National Institute of Standards and Technology, 9/2005, pp. 149] NIST conducted a series of fifteen tests. In the tests projectiles were fired at fireproofing mounted on 12 inch x 12 inch plates, and steel bars with a one inch diameter. The fireproofing used in the tests was Blazeshield DC/F, one of the two grades of fireproofing used on the impact floors. In thirteen of the tests the projectiles were buckshot, which was fired at the steel samples from a modified shotgun at a distance of 29.5 ft. The other two tests used steel bolts and hexagon nuts, fired with less velocity and at closer range. According to NIST, “The test results support the assumption that, within the debris field created by the aircraft impact into WTC 1 and WTC 2, the SFRM [i.e., fireproofing] used for thermal insulation of structural members was damaged and dislodged.” [National Institute of Standards & Technology, 9/2005, pp. 83, 263-274 ]