Refuelers keep aircraft flying during exercise
Staff Sgt. Ron Davis, a KC-135 Stratotanker boom operator with the 507th Air Refueling Wing at Tinker Air Force Base, Okla., closes the door of the tanker July 20, 2010, before departing Joint Base Pearl Harbor-Hickam, Hawaii, to refuel aircraft participating in the Rim of the Pacific exercise. RIMPAC, the world's largest maritime exercise, is a biennial event which stresses interoperability among the 14 nations participating in the exercise. (U.S. Air Force photo/Tech Sgt. Cohen A. Young)