A French air force C-135FR arrives for the inaugural Trilateral Exercise, at Langley Air Force Base, Va., Dec. 1, 2015. While the exercise predominantly focuses on fighter aircraft integration, aerial refueling aircraft, F-15E Strike Eagles, T-38 Talons and U.S. Air Force Airborne Warning and Control System aircraft will also participate. (U.S. Air Force photo by Senior Airman Aubrey White)