A U.S. Air Force F-15E Strike Eagle assigned to 494th Fighter Squadron, RAF Lakenheath, prepares to receive fuel from a U.S. Air Force KC-135 Stratotanker from the 100th Air Refueling Wing over Scotland, March 29, 2018. The Strike Eagle was one of eight F-15Es to receive fuel while on a training sortie. (U.S. Air Force photo by Airman 1st Class Benjamin Cooper)