背片内侧Crewmembers of a U.S. Army MH-60 Blackhawk command and control helicopter from the 2nd Battalion, 160th Special Operations Aviation Regiment at Fort Campbell, Ky. manually fold the rotor blades in order to park the aircraft on the flight deck of the nuclear-powered aircraft carrier USS GEORGE WASHINGTON (CVN-73) during Fleet Exercise 2-94.MH-6 crew membersMH-60M crew members