American Airlines Flight 77
The aircraft crashed into the western side of the Pentagon at 09:37 EDT. All 64 people on board the aircraft, including the hijackers, died. 125 people in the building died as well. Dozens of people saw the crash. News sources began reporting on the incident within minutes. The impact damaged an area of the Pentagon and started a large fire. Part of the Pentagon collapsed. Firefighters spent days trying to stop the fire. The damaged areas of the Pentagon were rebuilt in 2002.  The fixed areas were able to be used again starting on August 15, 2002.