130514-N-XE109-514 ATLANTIC OCEAN (May 14, 2013) An X-47B Unmanned Combat Air System (UCAS) demonstrator prepares to launch from the flight deck of the aircraft carrier USS George H.W. Bush (CVN 77). George H.W. Bush is the first aircraft carrier to successfully catapult launch an unmanned aircraft from its flight deck. (U.S. Navy photo by Mass Communication Specialist 3rd Class Brian Read Castillo/Released)