A U.S. Air Force F-16 Fighting Falcon assigned to 31st Fighter Wing, receives fuel from a KC-135 Stratotanker assigned to the 100th Air Refueling Wing, England, over the Black Sea, July 22, 2020. The aircraft demonstrated the ability of U.S. forces to operate within international boundaries in the Black Sea. (U.S. Air Force photo by Senior Airman Benjamin Cooper)