Citizen Airmen from the 507th Maintenance Group at Tinker Air Force Base, Okla., recover a KC-135R Stratotanker following a training flight July 25, 2017, at RAF Mildenhall, England. 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 augmented the 100th Air Refueling Wing July 1-29, 2017, to provide air refueling support to the European theater of operations. (U.S. Air Force photo/Tech Sgt. Lauren Gleason)