A KC-135 Stratotanker, with the 756th Air Refueling Squadron, flies through storm clouds on its way to meet up with and refuel a C-17 Globemaster III, with the 15th Airlift Squadron, during exercise "Global Eagles" off the east coast of Florida on July 12, 2012. The KC-135 was the U.S. Air Force's first jet-powered refueling tanker and replaced the KC-97 Stratotanker. (U.S. Air Force photo/Master Sgt. Jeremy Lock)