Unmanned Combat Air System X-47B Taxi at Sea

ATLANTIC OCEAN (Dec. 9, 2012) - The X-47B Unmanned Combat Air Systems (UCAS) demonstrator taxies on the flight deck of the aircraft carrier USS Harry S. Truman (CVN 75). Harry S. Truman is the first aircraft carrier to host test operations for an unmanned aircraft. Harry S. Truman is underway supporting carrier qualifications. (U.S. Navy Video/ Released)