Atlantic Ocean (Jan. 27, 2007) - An aviation boatswain's mate signals to taxi forward an S-3B Viking, assigned to the "Checkmates" of Sea Control Squadron Two Two (VS-22), in order to set the launch bar into the catapult shuttle during flight operations on board Nimitz-class aircraft carrier USS Harry S. Truman (CVN 75). Truman is currently underway conducting flight deck certification in the Atlantic Ocean. U.S. Navy photo by Mass Communication Specialist 3rd Class Kristopher Wilson