U.S. Navy Aviation Boatswain's Mate (Handling) 2nd Class Michael King, left, and Aviation Boatswain's Mate (Handling) 2nd Class Kyle Warren, both assigned to Naval Air Station Whidbey Island, Wash., raise an American flag as members of the air station's fire department salute during a ceremony at the station Sept. 11, 2014, commemorating the 13th anniversary of 9/11. Terrorists hijacked four passenger aircraft Sept. 11, 2001. Two of the aircraft were deliberately crashed into the World Trade Center in New York; one was crashed into the Pentagon; the fourth crashed near Shanksville, Pa. Nearly 3,000 people died in the attacks. (U.S. Navy photo by Mass Communication Specialist 2nd Class John Hetherington/Released)