Refueling operations.

F-16 "Fighting Falcon's" from the 408th Fighter Squadron at Spangdahlem Air Base, Germany, conduct aerial refueling with a Boeing KC-135 "Stratotanker" from the 100th Air Refueling Wing at Royal Air Force Mildenhall, England, during a training sortie Sept. 9, 2015, over the U.K.

Done