Cadets from the U.S. Air Force ROTC Detachment 775 view a C-17 Globemaster III jet engine Feb. 25, 2011 at the 373rd Training Squadron at Joint Base Charleston, S.C. The cadets are students at the University of South Carolina, and they spent their day touring the base and learning about the different career paths within the USAF. (U.S. Air Force photo/Staff Sgt. Shane Ellis)