U.S. Air Force Maj. Matthew Biggs, a pilot with the 465th Air Refueling Squadron, adjusts flight controls aboard a KC-135 Stratotanker aircraft while flying near Hawaii July 26, 2014, during Rim of the Pacific 2014. RIMPAC is a U.S. Pacific Fleet-hosted biennial multinational maritime exercise designed to foster and sustain international cooperation on the security of the world's oceans.