Fragment of the Pentagon facade

The Pentagon, completed in 1943 under the urgencies of World War II, was built to provide a central headquarters for an expanded U.S. military. On September 11, hijackers crashed an American Airlines Boeing 757 airliner into a portion of the Pentagon that had been reinforced recently as part of a building renovation and counterterrorism effort. The plane crashed just outside the building and slid nearly halfway through it. It totally destroyed a section of the first two floors of the five-story building. The heavily damaged upper floors initially held but, with an intense fire raging, soon collapsed.
Currently not on view
Indiana Limestone Company
overall: 48.3 cm x 119.4 cm x 40.6 cm; 19 in x 47 in x 16 in
ID Number
accession number
catalog number
related event
September 11th Attacks
See more items in
Armed Forces History: September 11
Data Source
National Museum of American History


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