REFUELING TRAINING A KC-135 refuels an F-16 Fighting Falcon during a training mission over Tulsa, Okla., May 4, 2015. The F-16 is assigned to the 138th Fighter Wing, Tulsa Air National Guard. The KC-135 is assigned to Tinker Air Force Base. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 367713-B-XPR33-956.jpg Photo Gallery