KC-135: 50 years old and still refueling
Staff Sgt. Kristian Miraflor marshals a KC-135 Stratotanker for takeoff from Hickam Air Force Base, Hawaii, on Thursday, July 27. Sergeant Miraflor is assigned to the Hawaii Air National Guard's 154th Aircraft Maintenance Squadron. (U.S. Air Force photo/Tech. Sgt. Chris Vadnais)