Onlookers watch as the Pentagon burns, Tuesday Sept. 11, 2001, following a terrorist attack in Arlington, Va. American Flight 77, hijacked while carrying 64 people from Washington to Los Angeles, tore into the side of the Pentagon in a terrorist attack. Part of the western side of the five-sided building collapsed. (AP Photo/The Daily Journal, Dylan Moore)
Gallery: The Sept. 11, 2001, terrorist attacks
Sep. 10, 2011 @ 04:26 PM
On Tuesday, Sept. 11, terrorists hijacked airplanes and used them to destroy the Twin Towers in New York City and damage the Pentagon in Washington, D.C. One of the planes crashed in a field in rural Pennsylvania.
Excluding the 19 hijackers, the death toll stands at 2,998 with 24 more presumed dead,