An X-47B Unmanned Combat Air System demonstrator conducts a touch and go landing on the flight deck of the aircraft carrier USS George H.W. Bush (CVN 77). The aircraft, nicknamed Salty Dog 501, made its debut aboard George H.W. Bush with seven touch and go landings. George H.W. Bush is conducting training operations in the Atlantic Ocean. (U.S. Navy photo by Mass Communication Specialist 2nd Class Tony D. Curtis/Released)