An Air Force B-52 Stratofortress aircraft receives fuel from a 340th Expeditionary Air Refueling Squadron KC-135 Stratotanker during a flight in support of Operation Inherent Resolve, July 18, 2017. The B-52 is a long-range, heavy bomber capable of flying at altitudes up to 50,000 feet. Air Force photo by Staff Sgt. Trevor T. McBride