Northrop Grumman, U.S. Navy, complete at-sea deck handling trials of X-47B unmanned demonstrator. The exercises aboard the USS Harry S. Truman demonstrated the ability to maneuver the tailless, strike-fighter-sized aircraft quickly and precisely on the flight deck using a wireless handheld controller. They are the latest in a series of test activities leading up to the first carrier landings of the X-47B planned for 2013. "The X-47B deck trials proved convincingly that the design…