GLOBEMASTERS Twenty U.S. Air Force C-17 Globemaster III aircraft participate in a large-formation exercise over the coast of Charleston, S.C., Dec. 21, 2006. The C-17s are assigned to the 437th and 315th Airlift Wings at Charleston Air Force Base, S.C. SHARE: Download: Full Size (0.02 MB) Credit: VIRIN: 205673-W-KIZ10-999.jpg Photo Gallery