U.S. Air Force Senior Airman John Paschal, 52nd Aircraft Maintenance Squadron aerospace propulsion journeyman, repairs an F-16 Fighting Falcon engine at Spangdahlem Air Base, Germany, Nov. 28, 2018. Paschal follows technical orders which gives step-by-step instructions on how to repair an F-16 engine. (U.S. Air Force photo by Airman 1st Class Jovante Johnson)