Lightning Refueling An F-35A Lightning II aircraft receives fuel from a KC-135 Stratotanker during a flight to Graf Ignatievo Air Base, Bulgaria, April 28, 2017. The Stratotanker is assigned to the 459th Air Refueling Wing. Air Force photo by Staff Sgt. Kate Thornton SHARE: Download: Full Size (0.6 MB) Tags: european security, european command, eucom, air force, featured photos, airmen Credit: Staff Sgt. Kate Thornton VIRIN: 170428-F-YG608-0109D.JPG Photo Gallery