KC-135 Stratotanker
A U.S. Air Force KC-135 Stratotanker aerial refueling aircraft assigned to the 91st Air Refueling Squadron, MacDill Air Force Base, Fla., prepares to launch for a morning sortie Aug. 8, 2016, during RED FLAG-Alaska (RF-A) 16-3 at Eielson Air Force Base, Alaska. The Stratotanker provides core aerial refueling support to Air Force, Navy and allied nation aircraft during RF-A 16-3, a Pacific Air Forces commander-directed exercise that provides realistic combat training to participants. (U.S. Air Force photo by Airman Isaac Johnson)