On September 11 , 2001 , a team of five al-Qaeda affiliated hijackers took control of American Airlines Flight 77 , en route from Dulles International to Los Angeles International Airport , and deliberately crashed it into The Pentagon at 9:37 a.m. EDT as part of the September 11 attacks . All 64 people on the airliner were killed as were 125 people who were in the building . The impact of the plane severely damaged the structure of the building and caused its partial collapse . The MWAA Fire & Rescue Department units from Fire Station 301 were among the first units on scene at the Pentagon , and staff & equipment from both airports operated at the incident scene for several days past the initial incident operations
American Airlines Flight 77
American Airlines Flight 77
Metropolitan Washington Airports Authority Fire and Rescue Department