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John Hamre.John Hamre. [Source: R. D. Ward / US Department of Defense]The North American Aerospace Defense Command (NORAD) conducts an exercise, called Vigilant Virgo 99-1, in which simulated missiles are injected into its radar systems, apparently similar to the way simulated information will be injected onto its radar screens for a training exercise on the morning of September 11, 2001. [US Department of Defense, 1/15/1999; Toronto Star, 12/9/2001; Arkin, 2005, pp. 546] In August 1998, Secretary of Defense William Cohen directed the commanders in chief who are responsible for the Department of Defense’s unified combatant commands to plan, carry out, and report on a series of simulated Year 2000 “operational evaluations.” [United States General Accounting Office, 6/1999, pp. 8 pdf file; United States General Accounting Office, 11/1999, pp. 15 pdf file] Vigilant Virgo is the first in a series of NORAD operational evaluations that are going to be held in response to this order. [US Department of Defense, 1/15/1999; United States General Accounting Office, 6/1999, pp. 2 pdf file; Military Operations Research Society, 6/22/1999, pp. 193 pdf file]
Exercise Tests NORAD's Year 2000 Preparedness - The three-day exercise is intended to evaluate if NORAD’s systems are vulnerable to the Year 2000 (Y2K) computer problem, which would be caused by computers being unable to properly read dates at the start of the new millennium. [US Department of Defense, 1/15/1999; New York Times, 2/9/1999] It evaluates the capability of NORAD’s systems to track and forward information about missile and space air threats when the command’s clocks are rolled forward to January 1, 2000. [United States General Accounting Office, 6/1999, pp. 8-9 pdf file] The exercise is a collaborative effort in which NORAD is supported by personnel, equipment, and facilities belonging to the US Space Command and the US Strategic Command. [US Department of Defense, 1/14/1999; US Department of Defense, 1/15/1999]
'Missile Events' Are Injected into NORAD's Sensors - Vigilant Virgo focuses on the missile warning element of NORAD’s integrated tactical warning and attack assessment function. [United States General Accounting Office, 6/1999, pp. 11 pdf file; Military Operations Research Society, 6/22/1999, pp. 193 pdf file] It involves “well over 30 missile events” being “injected” into NORAD’s sensors, according to Lieutenant Colonel Warren Patterson, a member of the Joint Staff Year 2000 Task Force. These simulated events involve data that is injected “as though it [is] being sensed for the first time by a radar site,” Deputy Secretary of Defense John Hamre will later describe. Some of the simulations involve mass attacks, while others involve attacks by a single missile. [US Department of Defense, 1/15/1999] The Y2K preparedness of the entire ground radar array network is analyzed during the exercise. [Bulletin of the Atomic Scientists, 3/1999]
Exercise Finds No Vulnerabilities in NORAD's Systems - Vigilant Virgo will be considered a success. The exercise will find that there is “no degradation in any of the systems, whether they were in the Year 2000 environment, the virtual Year 2000 environment, or whether they were in the real world, 1998 environment,” Patterson will say. “We are highly confident now, at this point, that CINC [commander in chief] NORAD can do his early warning mission,” he will conclude. [US Department of Defense, 1/15/1999]
Exercise on 9/11 Will Use Simulated Radar Information - NORAD is the military organization responsible for monitoring and defending North American airspace. [9/11 Commission, 7/24/2004, pp. 16; Department of National Defence, 7/25/2017] Personnel at its Northeast Air Defense Sector (NEADS), based in Rome, New York, will be responsible for coordinating the military’s response to the 9/11 hijackings. [Shenon, 2008, pp. 203] It will be conducting an exercise on the morning of September 11, 2001, which, like Vigilant Virgo, involves simulated information being injected onto its radar screens (see (9:00 a.m.) September 11, 2001, 9:34 a.m. September 11, 2001, and 10:12 a.m. September 11, 2001). [Toronto Star, 12/9/2001] NORAD will conduct a follow-on exercise to Vigilant Virgo from February 15 to February 28, 1999, called Amalgam Virgo 99-2, which will involve a comprehensive evaluation of its systems for aerospace control, air warning, missile warning, and space warning. [United States General Accounting Office, 6/1999, pp. 11 pdf file; Arkin, 2005, pp. 253-254] Whether that exercise will involve simulated information being injected onto radar screens is unclear.

Entity Tags: US Strategic Command, Vigilant Virgo, North American Aerospace Defense Command, Warren Patterson, John J. Hamre, US Space Command

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

Osama bin Laden is pictured on the cover of the Amalgam Virgo exercise.
Osama bin Laden is pictured on the cover of the Amalgam Virgo exercise. [Source: NORAD]The US military conducts Amalgam Virgo 01, a multi-agency live-fly homeland security exercise sponsored by the North American Aerospace Defense Command (NORAD) and involving the hypothetical scenario of a cruise missile being launched by “a rogue [government] or somebody” from a barge off the East Coast. Osama bin Laden is pictured on the cover of the proposal for the exercise. [American Forces Press Service, 6/4/2002; Arkin, 2005, pp. 253; GlobalSecurity (.org), 4/27/2005] The exercise takes place at Tyndall Air Force Base in Florida. Drones simulating cruise missiles are launched from Tyndall, head out to sea, circle a ship as if they are being launched from there, and then head back to land. Air Force F-16s, Navy gunners, and Army missile defense units attempt to find and track the drones. The Coast Guard attempts to catch the ship serving as the dummy launch site. [Tampa Tribune, 6/3/2001] Another scenario in the exercise involves a suicide mission in which a Haitian man with AIDS attempts to deliberately crash a small private plane into NORAD’s Southeast Air Defense Sector (SEADS) at Tyndall AFB. [US Air Force, 2001] The next Amalgam Virgo exercise, scheduled to take place in 2002, will involve two simultaneous commercial aircraft hijackings. Planning for that exercise will begin in July 2001 (see July 2001). [American Forces Press Service, 6/4/2002; USA Today, 4/18/2004]

Entity Tags: US Department of Defense, Amalgam Virgo, North American Aerospace Defense Command

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

NORAD is already planning for the Amalgam Virgo 02 exercise. This exercise, scheduled for June 2002, will involve the simulation of two simultaneous commercial aircraft hijackings. One plane, a Delta 757, flown by Delta pilots, will fly from Salt Lake City, Utah, to Elmendorf Air Force Base in Anchorage, Alaska. It will be “hijacked” by FBI agents posing as terrorists. The other plane will be a Navy C-9 bound from Oak Harbor, Washington, to Vancouver, British Columbia, and will be “hijacked” by Royal Canadian Mounted Police. On both planes, military personnel will act as civilian passengers. US and Canadian fighters are to respond, and either force the planes to land or simulate shooting them down. Describing Amalgam Virgo 02 to the 9/11 Commission, NORAD’s Major General Craig McKinley later says, “Threats of killing hostages or crashing were left to the script writers to invoke creativity and broaden the required response for players.” About 1,500 people will participate in the exercise. USA Today will note that this is an exception to NORAD’s claim that, prior to 9/11, it focused only on external threats to the US and did not consider the possibility of threats arising from within the US. 9/11 Commissioner Richard Ben-Veniste will similarly comment that this planned exercise shows that, despite frequent comments to the contrary, the military considered simultaneous hijackings before 9/11. [CNN, 6/4/2002; American Forces Press Service, 6/4/2002; Associated Press, 6/5/2002; 9/11 Commission, 5/23/2003; USA Today, 4/18/2004]

Entity Tags: Craig McKinley, North American Aerospace Defense Command, Richard Ben-Veniste, Amalgam Virgo

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

Based on interviews with FBI officials, the New Yorker will report that, for several years prior to 9/11, the US government plans for “simulated terrorist attacks, including scenarios [involving] multiple-plane hijackings.” This presumably refers to more than just the Amalgam Virgo 02 exercise (see July 2001), which is based on the scenario of two planes being simultaneously hijacked. [New Yorker, 9/24/2001] Similarly, NORAD will state that before 9/11, it normally conducts four major exercises each year at headquarters level. Most of them include a hijack scenario, and some of them are apparently quite similar to the 9/11 attacks (see Between 1991 and 2001 and Between September 1999 and September 10, 2001). [USA Today, 4/18/2004; CNN, 4/19/2004] According to author Lynn Spencer, before September 11, “To prepare for their missions in support of NORAD, the Air National Guard pilots—some of the finest pilots in the world—often use hijacking scenarios to train for intercept tactics.” [Spencer, 2008, pp. 84-85] John Arquilla, an associate professor of defense analysis at the Naval Postgraduate School in Monterey, California, later says that while “No one knew specifically that 20 people would hijack four airliners and use them for suicide attacks against major buildings… the idea of such an attack was well known, [and] had been war gamed as a possibility in exercises before Sept. 11.” [Monterey County Herald, 7/18/2002]

Entity Tags: North American Aerospace Defense Command, United States, Air National Guard, John Arquilla

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

A JBECC unit.A JBECC unit. [Source: Air Force]The US Air Force turns to a new type of device to improve NORAD’s air surveillance capabilities for the East Coast. The new system, called the Joint Based Expeditionary Connectivity Center, or JBECC, is a sophisticated mobile radar command center. It is housed inside a Humvee. Once the vehicle is parked, a tent can be expanded to allow additional screens and communication equipment to be laid out and used. Brown International, the Alabama-based company behind it, received an urgent call from an Air Force commander on the evening of 9/11, requesting the new system. A cargo plane was sent to pick it up immediately. [Associated Press, 11/29/2004] On September 12, the JBECC prototype is deployed to Naval Air Station Oceana in Virginia. It links the CONR (NORAD’s Continental US Region) Air Operations Center into AWACS and other East Coast radars. [Filson, 2003, pp. 143] The principal innovation of the JBECC is that it allows the merging of military and civilian radar data on one screen. Now, the military can see civilian radar returns and transponder information without having to call the FAA. Reportedly, during the 9/11 attacks, the military’s inability to see the FAA’s data hampered its response to the hijackings. Terry Beane, the president of Brown International, will later explain: “A military radar will see there is something there but doesn’t know what it is. On 9/11, they were having to literally talk on the phone to each other. The problem was they didn’t know which planes were OK and which ones weren’t because they didn’t have all that integrated.” [Associated Press, 11/29/2004] The JBECC is also superior at tracking low-level aircraft like cruise missiles, something that has always been difficult for ground-based radar because of the earth’s curvature. It was successfully tested prior to 9/11 during the Amalgam Virgo 01 air defense exercise in June 2001 (see June 1-2, 2001). [Jane's Defense Weekly, 5/4/2001; GlobalSecurity (.org), 4/27/2005] The JBECC will later be deployed during important national security events such as the Salt Lake City Winter Olympics and the 2004 G8 summit in Sea Island, Georgia. [Associated Press, 11/29/2004]

Entity Tags: Brown International, Joint-Based Expeditionary Connectivity Center, North American Aerospace Defense Command, US Department of the Air Force, Federal Aviation Administration

Timeline Tags: Complete 911 Timeline

The US military must develop a single integrated picture (SIP) to meet the emerging threat of cruise missile proliferation, says a study directed by Stephen R. Woodall, a defense expert with the National Defense Industrial Association (NDIA), a defense industry lobby group. [Woodall, 9/25/2001 pdf file] A SIP would be a graphic representation of the airspace around a battle zone that would detect and track all airborne objects, discriminating friend from foe. At the moment, the different branches of the military cannot share a common picture of the battlefield in real time. The US is especially vulnerable to low-flying cruise missiles because they are difficult to detect and intercept. The Defense Department created a SIP program three years ago headed by Navy Captain Jeffery W. Wilson to improve the integration between disparate data collection and tracking systems used by the different services, but making them work together is still a distant goal. Says Stephen Woodall: “A SIP would improve homeland defense. ‘You need a SIP around the United States.’ NORAD can see every airplane in the sky and every satellite in space, but that is ‘not good enough for cruise missile defense.’” A cruise missile attack was part of a recent military exercise named Amalgam Virgo ‘01 (see June 1-2, 2001). According to Woodall, “The conclusion of [Amalgam Virgo] was that ‘we are naked. We have no capability to deal with that kind of problem.’” [National Defense, 11/2001; National Defense, 12/2001; National Defense, 9/2002] The deployment of a new mobile radar command center immediately after the 9/11 attacks also underscores the need for further advances in this field (September 12, 2001).

Entity Tags: National Defense Industrial Association, Stephen R. Woodall, Jeffery W. Wilson, US Department of Defense

Timeline Tags: US Military

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