Aerial Refueling A South Korean air force F-16D Falcon prepares for refueling training with a KC-135 Stratotanker from the 909th Air Refueling Squadron, Kadena Air Base, Japan, during a training exercise, Oct. 8, 2019. SHARE: Download: Full Size (0.17 MB) Credit: Air Force Senior Airman Cynthia Belio VIRIN: 191008-F-UA555-1022.JPG Photo Gallery