YOKOTA AIR BASE, Japan -- Staff Sgt. Eliezer Santiago, 730th Ramp Service Supervisor, flips over a set of rollers in a C-17 Globemaster III at Yokota Air Base, Japan, April 22, 2013. These rollers help when loading cargo onto the aircraft, without these the cargo cannot be loaded. (U.S. Air Force photo by Airman 1st Class Meagan Schutter)