2011 Event U.K. Prime Minister, David Cameron, confirms the United Kingdom is sending Apache attack helicopters to assist the 2011 Libyan uprising 1996 Event 2 U.S. Marine helicopters collided during joint U.S. and British war games 1994 Event U.S. F-15 accidentally shoots 2 U.S. helicopters down over Iraq, 26 die 1984 Event U.S. Navy exhibits Piasecki helistat-4 helicopters and a blimp able to lift 26 tons-Lakehurst, New Jersey 1961 Event John F. Kennedy provides U.S. miltary helicopters and crews to South Vietnam 1944 Event 1st use of helicopters during warfare (British Atlantic patrol)