A U.S. Air Force F-15E Strike Eagle assigned to the 492nd Fighter Squadron at RAF Lakenheath, England, receives fuel from a KC-135 Stratotanker from the 100th Air Refueling Wing, RAF Mildenhall, England, over Scotland during exercise Joint Warrior 19-1, April 4, 2019. Joint Warrior is a U.K.-led multinational exercise that involves numerous warships, aircraft, marines and troops. (U.S. Air Force photo by Tech. Sgt. Emerson Nuñez)