Flight deck crewmen prepare to move a Navy X-47B Unmanned Combat Air System
Flight deck crewmen prepare to move a Navy X-47B Unmanned Combat Air System demonstrator aircraft from an elevator aboard the aircraft carrier USS George H.W. Bush (CVN 77) in Norfolk, Va., on May 6, 2013. The X-47B is being readied for its first catapult launch from an aircraft carrier.