Senior Airman Dennis Lee, a 51st Aircraft Maintenance Squadron crew chief, prepares the cockpit of an F-16 fighting falcon before a flight during exercise commando sling 10 at paya lebar air base, singapore. The second part of the exercise commando sling 10, which began Feb. 22, involves air forces from U.S. , and the republic of Singapore. (US Air Force photo/Master Sqt. Bill Baker)
