REFUELING MISSION A KC-135 Stratotanker refuels a U.S. Air Force F-16 Fighting Falcon over Europe, March 20, 2015. The F-16 is assigned to the 31st Fighter Wing, Aviano Air Base, Italy. The Stratotanker is assigned to the 100th Air Refueling Wing. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 432704-E-MQC37-078.jpg Photo Gallery