U.S. Soldiers with the 421st Quartermaster Company, 143rd Sustainment Command (Expeditionary), prepare to jump from a C-130 Hercules cargo plane during annual training over Camp Santiago Joint Maneuver Training Center in Salinas, Puerto Rico, July 17, 2013. The Fort Valley, Ga., based rigger unit conducted three weeks of exercises, which included personnel, equipment, and vehicle airdrops at multiple locations across Puerto Rico. (U.S. Army photo by Staff Sgt. Cooper T. Cash/Released)