C-5 Galaxy loads cargo at Joint Base Charleston, S.C.
Master Sgt. David Martens waits to push a load of cargo into place on a C-5 Galaxy July 22, 2013, at Joint Base Charleston, S.C. The cargo is being used to assist Operation Enduring Freedom. The C-5 is one of the largest aircraft in the world and the largest airlifter in the Air Force inventory. Martens is a C-5 crew chief assigned to West Virginia Air National Guard’s 167th Maintenance Squadron. (U.S. Air Force photo/Senior Airman Dennis Sloan)