U.S. Air Force 1st Lt. Stephen Conroy, 909th Air Refueling Squadron co-pilot, explains a KC-135 Stratotanker's operations to Japan Air Self-Defense Force officer candidate school cadets while inside a cockpit during a tour at Kadena Air Base, Japan, June 11, 2015. The tour gave the cadets a better understanding of the missions and operations of U.S. military bases on Okinawa. (U.S. Air Force photo by Naoto Anazawa)