KC-135s ready refueling the fight
A KC-135 Stratotanker prepares to refuel a B-52 Stratofortress in midair over the United States Oct. 30, 2016, as part of Exercise Global Thunder. Once considered innovative, aerial refueling has now become a standard practice for global operations. Air Force Global Strike Command continues a legacy of innovation established by its pioneering predecessor: Strategic Air Command. (U.S. Air Force photo/Tech. Sgt. Travis Edwards)