RIMPAC 2014
U.S. Air Force Maj. Matthew Biggs, a pilot with the 465th Air Refueling Squadron at Tinker Air Force Base, Oklahoma, checks instruments on board a KC-135 Stratotanker on July 26, 2014, in support of Rim of the Pacific, or RIMPAC, 2014 near the Hawaiian Islands. RIMPAC, a U.S. Pacific Command-hosted biennial multinational maritime exercise, is designed to foster and sustain international cooperation on the security of the world's oceans. (U.S. Air Force photo/Staff Sgt. Caleb Wanzer)