507th ARW train with 31 FW Airmen
U.S. Air Force Tech. Sgt. John Sanders, 507th Air Refueling Wing from Tinker Air Force Base, Okla., Aircraft Maintenance Squadron dedicated crew chief, tightens a bolt on a KC-135 Stratotanker, April 21, 2015, at Aviano Air Base, Italy. The 507th ARW’s KC-135s allowed the 31st Fighter Wing’s F-16 Fighting Falcons to practice in-flight refueling missions. (U.S. Air Force photo by Senior Airman Matthew Lotz/Released)