President George W. Bush, Donald Rumsfeld, and others look back on the attack on the Pentagon on September 11, 2001.

The officer responsible for reporting the terrorist attack on the Pentagon on Sept. 11, 2001, has died from 9/11-related ...

Arlington County Police Cpl. Barry Foust, who responded to the Pentagon attack on Sept. 11, 2001, died after battling cancer ...

The Defense Department on Tuesday released the first video images of American Airlines Flight 77 crashing into the military headquarters building and killing 189 people in the Sept. 11, 2001 terrorist ...