C-17s OVER CHARLESTON Fifteen C-17 Globemaster IIIs from Charleston Air Force Base, S.C., fly over the city of Charleston, S.C.'s Arthur J. Ravenel Bridge Dec. 20, 2007, during a training exercise. SHARE: Download: Full Size (0.02 MB) Credit: VIRIN: 622715-O-DTD44-854.jpg Photo Gallery