Reserve Citizen Airmen from the 465th Air Refueling Squadron at Tinker Air Force Base, Okla., deliver fuel to an F-16 Fighting Falcon from Spangdahlem Air Base, Germany, July 25, 2017. In a long-standing partnership between the Air Force Reserve Command and U.S. Air Forces in Europe, members of the 507th Air Refueling Wing are augmenting the 100th Air Refueling Wing July 1-29, 2017, to provide KC-135R air refueling support to the European theater of operations. (U.S. Air Force photo/Tech Sgt. Lauren Gleason)