010914-F-8006R-001 This aerial photograph shot on Sept. 14, 2001, shows some of the destruction caused when the high-jacked American Airlines flight slammed into the Pentagon on Sept. 11. The terrorist attack caused extensive damage to the west face of the building and followed similar attacks on the twin towers of the World Trade Center in New York City. DoD photograph by Tech. Sgt. Cedric H. Rudisill. (Released)

0 1 0 9 1 4 - F - 8 0 0 6 R - 0 0 2 FBI agents, fire fighters, rescue workers and engineers work at the Pentagon crash site on Sept. 14, 2001, where a high-jacked American Airlines flight slammed into the building on Sept. 11. The terrorist attack caused extensive damage to the west face of the building and followed similar attacks on the twin towers of the World Trade Center in New York City. DoD photo by Tech. Sgt. Cedric H. Rudisill. (Released)

0 1 0 9 1 4 - F - 8 0 0 6 R - 0 0 3 FBI agents, fire fighters, rescue workers and engineers work at the Pentagon crash site on Sept. 14, 2001, where a high-jacked American Airlines flight slammed into the building on Sept. 11. The terrorist attack caused extensive damage to the west face of the building and followed similar attacks on the twin towers of the World Trade Center in New York City. DoD photo by Tech. Sgt. Cedric H. Rudisill. (Released)

0 1 0 9 1 4 - F - 8 0 0 6 R - 0 0 4 This aerial photograph of the Pentagon taken on Sept. 14, 2001, shows some of the destruction caused when the high-jacked American Airlines flight slammed into the building on Sept. 11. The terrorist attack caused extensive damage to the west face of the building and followed similar attacks on the twin towers of the World Trade Center in New York City. DoD photo by Tech. Sgt. Cedric H. Rudisill. (Released)

0 1 0 9 1 4 - F - 8 0 0 6 R - 0 0 5 FBI agents, fire fighters, rescue workers and engineers work at the Pentagon crash site on Sept. 14, 2001, where a high-jacked American Airlines flight slammed into the building on Sept. 11. The terrorist attack caused extensive damage to the west face of the building and followed similar attacks on the twin towers of the World Trade Center in New York City. DoD photo by Tech. Sgt. Cedric H. Rudisill. (Released)

0 1 0 9 1 4 - F - 8 0 0 6 R - 0 0 6 FBI agents, fire fighters, rescue workers and engineers work at the Pentagon crash site on Sept. 14, 2001, where a high-jacked American Airlines flight slammed into the building on Sept. 11. The terrorist attack caused extensive damage to the west face of the building and followed similar attacks on the twin towers of the World Trade Center in New York City. DoD photo by Tech. Sgt. Cedric H. Rudisill. (Released)