U.S. Army paratroopers sit in a C-17 Globemaster III aircraft during a joint operational access exercise. U.S. Army paratroopers sit in a C-17 Globemaster III aircraft during a joint operational access exercise at Fort Bragg, N.C., on June 21, 2011. A joint operational access exercise is a joint airdrop exercise designed to enhance service cohesiveness between Army and Air Force personnel, allowing both services an opportunity to execute large-scale heavy equipment and troop movement. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 303600-F-AZK34-845.jpg Photo Gallery