U.S. Navy Airman Joseph Clemson troubleshoots electronics on an SH-60F Seahawk helicopter aboard the aircraft carrier USS Carl Vinson (CVN 70) in the Pacific Ocean on Dec. 3, 2010. The Carl Vinson is on a three-week composite training unit exercise followed by a deployment to the western Pacific Ocean. Clemson, an aviation electronics technician, is assigned to Helicopter Anti-Submarine Squadron 15.