An F-16 Fighting Falcon from Buckley Air Force Base, Colo., breaks away after being refueled by a KC-135 Stratotanker flown by a 931st Air Refueling Wing aircrew, Aug. 3, 2017. The KC-135 Stratotanker provides the core aerial refueling capability for the United States Air Force and has excelled in this role for 60 years. (U.S. Air Force photo by Tech. Sgt. Abigail Klein)