U.S. Navy Aviation Boatswain's Mate 1st Class David Thompson, assigned to the aircraft carrier USS George H.W. Bush (CVN 77) air department, signals to an MH-60S Seahawk helicopter from Helicopter Sea Combat Squadron (HSC) 9 during a vertical replenishment with the aircraft carrier USS Harry S. Truman (CVN 75) in the Atlantic Ocean Feb. 17, 2011. George H.W. Bush was under way in the Atlantic Ocean conducting a joint task force exercise.