Sailors direct an X-47B Unmanned Combat Air System (UCAS) demonstrator aircraft Tuesday, May 14, 2013 aboard 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. UPI/Kevin J. Steinber/US Navy
An X-47B Unmanned Combat Air System (UCAS) demonstrator flies over the flight deck Tuesday, May 14, 2013 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. UPI/Timothy Walter/US Navy