American Airlines Flight 77

American Airlines Flight 77 was a domestic passenger flight hijacked on September 11, 2001. It departed from Washington Dulles International Airport bound for Los Angeles. Terrorists took control of the plane and crashed it into the Pentagon in Arlington, Virginia, causing significant damage and loss of life. The attack was part of a coordinated terrorist act that targeted key U.S. symbols and resulted in nearly 200 fatalities. The event led to major changes in aviation security and U.S. national security policies.