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Context of 'May 3, 2002: Report Fails to Explain ‘Exit Hole’ in Pentagon Wall'

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The American Society of Civil Engineers (ASCE) studies the crash of Flight 77 into the Pentagon and the building’s architectural response to the impact, blast, and subsequent fires. [American Society of Civil Engineers, 1/17/2003] The six-member Pentagon Building Performance Study team is headed by Lead Technical Director Paul F. Mlakar, and also includes Mete A. Sozen. Mlakar and Sozen had previously worked together on the Federal Emergency Management Agency (FEMA) investigation into the Oklahoma City bombing under W. Gene Corley, who is now assigned as FEMA/ASCE’s team leader for the World Trade Center investigation (see September 12, 2001). [Corley et al., 10/1997; Mlakar et al., 1/2003, pp. i pdf file] Some aspects of the Oklahoma City investigation were controversial. [Guardian, 5/5/2001] Sozen is also tasked with “project conception” for Purdue University’s computer simulation of the Pentagon attack, images from which are also used in the Performance Report, when it is issued later (see January 23, 2003). [Purdue University Department of Computer Science, 9/11/2002] The Building Performance Study team only inspects the Pentagon on two occasions. Team leader Mlakar is granted “limited access” to the site for a week from September 14-21, and on October 4, “controlled access” is granted to the full team, which meets with Corley and inspects the site “for approximately four hours.” All airplane debris has been removed by this time, as well as most of the loose debris from the impact and collapse. Along with interviews and technical information provided by the Pentagon Renovation Project, the photos and data gleaned on these visits are the basis of the team’s analysis of the building’s response to the impact of Flight 77. The study is completed in April 2002, though the report will not be released for another nine months. [Mlakar et al., 1/2003, pp. 1, 18 pdf file]

Entity Tags: American Society of Civil Engineers, Mete Sozen, Paul Mlakar, Purdue University, W. Gene Corley, Pentagon

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

The “exit hole” in an inner wall of the Pentagon.The “exit hole” in an inner wall of the Pentagon. [Source: Public domain]Various explanations are offered for the “exit hole” that appeared in an internal wall in the Pentagon following the attack on 9/11 (see May 3, 2002):
bullet As the hole is near the end of the plane’s trajectory through the building, it is suggested it was made by a piece of the plane. Pentagon Renovation Program spokesman Lee Evey explains on September 15, “the nose of the plane just barely broke through the inside of the C Ring, so it was extending into A-E Drive a little bit.” [US Department of Defense, 9/15/2001]
bullet Eleven days later, another military source claims that an engine of the plane was responsible for creating the hole. [MDW News Service, 9/26/2001]
bullet Photos, video, and some eyewitness accounts agree on landing gear elements at or near the hole, indicating one of the three sets of landing gear may have been responsible. Sergeant First Class Reginald Powell recalls seeing “a big 8 by 10… hole in the wall. You could see the tire, the landing gear, were just forward of it.” [Office of Medical History, 9/2004, pp. 118] The book Debunking 9/11 Myths by Popular Mechanics magazine will say in 2006 that the density of the landing gear means it was “responsible for puncturing the wall in Ring C.” The book cites Air Force Surgeon General Paul Carlton Jr. and Paul Mlakar, lead author of the American Society of Civil Engineers’ (ASCE) Pentagon Building Performance Report, who says “he saw the landing gear with his own eyes.” [Dunbar and Reagan, 2006, pp. 70] A wheel hub is found outside the hole in the A-E Drive service roadway and photographed there. [Jeff Scott and Joe Yoon, 1/21/2007]
bullet Another theory put forth in a 2004 National Geographic program is that reverberating shockwaves from the plane’s impact were responsible for the hole. [National Geographic Channel, 2004]
bullet Shortly after the attack, rescue workers reportedly “punched a hole” somewhere in the Pentagon “to clean it out,” although there are no sources that say that this was the reason for the hole to the A-E Drive. [US Department of Defense, 9/15/2001] Some accounts refer to the hole as a ‘punch out’ hole, due to the words “punch out” spray painted near it after 9/11. [Mlakar et al., 1/2003, pp. 30 pdf file] However, punch out appears to be a construction term referring to a list of problems to be corrected. In this case it may be a call for assessment of the damage inside. [Home Building Manual, 8/25/2007]
bullet French author Thierry Meyssan claims that the unusual nature and shape of the hole indicates it was made by a missile, not an airliner (see Early March 2002). [Meyssan, 2002, pp. 55-63]
bullet The 2008 book Firefight: Inside the Battle to Save the Pentagon on 9/11, by Patrick Creed and Rick Newman, will offer a description of the hole and how it was created that is strikingly similar to Meyssan’s earlier observations but without questioning the official account that Flight 77 crashed into the building. In its photo-insert, the book shows a photograph of the exit hole and comments: “The ‘punch-out’ hole blown into a wall where Flight 77 finally came to rest. The hole was created by explosive energy; the plane’s soft aluminum nose and fuselage crumpled the instant it struck the building.” The book also says in its description of the crash, “The 182,000-pound aircraft was morphing into an enormous mass of energy and matter, plowing forward like a horizontal volcanic eruption.” It continues, “As the mass traveled through the building, it began to resemble a shaped charge, a form of explosive that funnels its force into a small, directed area—like a beam of energy—in order to punch holes through armor or other strong material.” [Creed and Newman, 2008, pp. 27]
In addition, the ASCE team’s photo of the hole, and its assessment of the damaged support columns nearest to it, are provided by the FBI, suggesting the bureau has special jurisdiction at the exit hole. [Mlakar et al., 1/2003, pp. 30 pdf file]

Entity Tags: Lee Evey, Federal Bureau of Investigation, Paul Carlton, Reginald Powell, Thierry Meyssan, American Society of Civil Engineers, Paul Mlakar

Timeline Tags: Complete 911 Timeline


Thierry Meyssan.
Thierry Meyssan. [Source: Public domain]The book l’Effroyable Imposture (The Horrifying Fraud) is published in France. The book claims that Flight 77 did not crash into the Pentagon on 9/11. It is written by Thierry Meyssan, “president of the Voltaire Network, a respected independent think tank whose left-leaning research projects have until now been considered models of reasonableness and objectivity.” [Guardian, 4/1/2002] The book is widely denounced by the media (See, for example, [Agence France-Presse, 3/21/2002; London Times, 5/19/2002; National Post, 8/31/2002; Baltimore Sun, 9/12/2002] ). One reporter heavily criticizes the book even while admitting never to have read it. [LA Weekly, 7/19/2002] In France, however, the book sets a publishing record for first-month sales. [Time (Europe), 5/20/2002] One of Meyssan’s theories is that people within the US government wanted to hit the Pentagon for its propaganda effect, but did not want to create a lot of damage or kill important people like Defense Secretary Rumsfeld. He notes that the plane hit the one section under construction, thus greatly reducing the loss of life. [Agence France-Presse, 3/21/2002; London Times, 5/19/2002] Furthermore, the wall at point of impact was the first and only one to be reinforced and have blast-resistant windows installed as part of an upgrade plan. [NFPA Journal, 11/1/2001]

Entity Tags: Thierry Meyssan, Donald Rumsfeld, Pentagon

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

The Pentagon “video.”  These are the first two of five stills of the Pentagon impact. The first one is labeled “plane,” which appears to be the black object above the post on the far right. The second one is labeled ”Âœimpact.” The three other stills depict a growing fireball.The Pentagon “video.” These are the first two of five stills of the Pentagon impact. The first one is labeled “plane,” which appears to be the black object above the post on the far right. The second one is labeled ”Âœimpact.” The three other stills depict a growing fireball. [Source: Public domain] (click image to enlarge)A series of photos surface purporting to show a plane crashing into the Pentagon on 9/11. It is not clear who released the photos, but the Pentagon asserts that they are authentic, and were taken by a Pentagon security camera. The release of these pictures comes within days of the publication of the book l’Effroyable Imposture that disputes the claim that Flight 77 hit the Pentagon (see Early March 2002). “Officials could not immediately explain why the date typed near the bottom of each photograph is September 12 and the time is written as 5:37 p.m.,” the book notes. [US department of Defense, 9/11/2001; Associated Press, 3/8/2002; Fox News, 3/8/2002] The whole video, together with another also taken by a Pentagon security camera, will be released in 2006 (see May 16, 2006).

Entity Tags: Pentagon

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

Overview of aircraft’s trajectory inside the Pentagon showing the points of entry (top right) and “exit” (bottom left).Overview of aircraft’s trajectory inside the Pentagon showing the points of entry (top right) and “exit” (bottom left). [Source: pentagonresearch (.com)] (click image to enlarge)A report about shoring used in the Pentagon submitted to the University of Maryland makes reference to a hole created in a wall inside the Pentagon on 9/11, near the end of the path of damage caused by the aircraft that hit the building. However, the assessment gives no specific explanation for what exactly caused the hole. The hole was on the ground level in a brick wall of the C Ring (the third of five concentric rings that form the Pentagon), on the A-E Drive, a service roadway that runs round the building between its C and B rings. The report says, “a nine foot diameter exit hole was created in the wall of C ring and the remainder of the debris from the impact ended up in the […] A-E Drive.” [Titus, 5/3/2002, pp. 9 pdf file] Similarly, other reports do not offer any conclusive explanation for what caused the hole. The American Society of Civil Engineers’ Pentagon Building Performance Report, published in 2003 January 23, 2003, will show the hole’s location in several diagrams, but explain only that “there was a hole in the east wall of Ring C, emerging into A-E Drive, between column lines 5 and 7 in Wedge 2. The wall failure was approximately 310 ft from where the fuselage of the aircraft entered the west wall of the building.” [Mlakar et al., 1/2003, pp. 28 pdf file] The Arlington County After-Action Report, published in 2002, contains a photo of the exit hole with the note “the damage extended all the way through the inner wall of the C Ring, a distance of approximately 285 feet.” It offers no further explanation for what precisely caused the hole. [US Department of Health & Human Services, 7/2002, pp. A8] Various explanations of how the hole came about are advanced after 9/11 (see September 15, 2001 and After).

Timeline Tags: Complete 911 Timeline

Sixteen months after the attack occurred, the American Society of Civil Engineers (ASCE) releases its Pentagon Building Performance Report on the Pentagon’s architectural response to the impact, blast, and subsequent fires caused by the Flight 77 crash on 9/11. [American Society of Civil Engineers, 1/17/2003] The report, which was finished several months earlier (see September 14, 2001-April 2002), admits “the volume of information concerning the aircraft crash… is rather limited,” but the team is able to give some details of the impact. The report reproduces the five frames of security camera footage made public in 2002 that showed the strike on the Pentagon (see March 7, 2002), seeing in them the approaching aircraft with its top about 20 feet above ground before exploding against and into the building. [Mlakar et al., 1/2003, pp. 14 pdf file] The report notes the plane struck a construction generator and vent structure on the lawn and speculates “portions of the wings might have been separated from the fuselage before the aircraft struck the building.” [Mlakar et al., 1/2003, pp. 35-36 pdf file] The ASCE finds that the plane hit the northern edge of Wedge One of the building—its southwest corner—which had been recently renovated, and that the plane made a 90 foot hole in the outer wall, destroying most ground floor support columns there and the limestone and brick façade between and in front of them. Aircraft debris is then reported to have passed through the building’s three outer rings E, D, and C, following the plane’s trajectory, entering the unrenovated Wedge Two towards the end of the path of destruction. [Mlakar et al., 1/2003, pp. 39 pdf file] The report does not say what caused the much-debated hole in the wall of Ring C, which led on to an internal driveway in the middle of the building. However, in a section on the damage caused by the debris it notes, “There was a hole in the east wall of Ring C, emerging into AE drive,” and a photo of the C Ring hole is included in the report. [Mlakar et al., 1/2003, pp. 28 pdf file]

Entity Tags: American Society of Civil Engineers, Pentagon

Timeline Tags: Complete 911 Timeline, 9/11 Timeline

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