Tech. Sgt. Catherine Desilles, an air transportation specialist with the 38th Aerial Port Squadron at Joint Base Charleston, S.C., grabs hold of a tie down chain as she and her team secure an M1A1SA Abrams main battle tank to the floor of a C-17 Globemaster III Thursday at Wright Army Airfield, Ga. C-17's from JB Charleston, S.C., and Wright-Patterson Air Force Base, Ohio, transported four tanks from Wright AAF to McEntire Air National Guard Base, S.C., in support of a tank movement for the 1/118th CAB. (U.S. Air Force photo by Staff Sgt. Rashard Coaxum/released)