U.S. Air Force Senior Airman Ryan Versen, 52nd Aircraft Maintenance Squadron assistant dedicated crew chief, right, teaches pilots how to refuel an F-16 Fighting Falcon at Spangdahlem Air Base, Germany, Dec. 11, 2020. The training provided experience for pilots to refuel their own jet in a deployed environment. (U.S. Air Force photo by Senior Airman Chance D. Nardone)