Senior Airman Arrelius Oliver drags the chocks for an RQ-4 Global Hawk April 15, 2014, in Southwest Asia. Arrelius, deployed from Beale Air Force Base, Calif., was part of a crew preparing the aircraft for a mission that evening. Oliver is a 380th Expeditionary Aircraft Maintenance Squadron assistant dedicated crew chief. (U.S. Air Force photo/Tech. Sgt. Russ Scalf)