Airmen from the 34th Aircraft Maintenance Unit and 37th Bomb Squadron load luggage into a commercial aircraft destined for Nellis Air Force Base, Nev., prior to departure at Ellsworth AFB, S.D., Sept. 26, 2013. Approximately 140 Airmen and B-1 bombers from Ellsworth will be participating in Green Flag at Nellis, an exercise designed to test the base’s ability to survive and operate in a wartime environment. (U.S. Air Force photo by Senior Airman Zachary Hada/Released)