This newly released image by the Federal Bureau of Investigation shows a bulldozer removing debris from a U.S. flag in the Pentagon after the crash of American Airlines Flight 77 on September 11, 2001. Five terrorists hijacked American Airlines Flight 77 on September 11, 2001, and flew the 90-ton plane into the Pentagon, killing all passengers and crew on board as well as 125 civilians and military personnel on the ground.
First responders at the Pentagon after the crash. In the photos, the immediate devastation after the attack and the fire engulfing the building can be seen.
The interior of the Pentagon after the crash.
Debris from the American Airlines Flight 77 after it crashed into the Pentagon on September 11, 2001.
This undated photo provided by the FBI shows damage to the Pentagon after the attacks.
This aerial photo shows the site of the attack.
The flames had melted the office equipment and walls of the building.
A rescue helicopter surveys damage to the Pentagon as firefighters battle flames after the crash in this September 11, 2001 file photo.
Two other airliners had already flown into New York’s World Trade Centre (WTC) when the Pentagon was being hit. The northern tower of the the WTC is seen collapsing in this September 11, 2001 file photo.