200225-F-ON660-0021
U.S. Air Force Staff Sgt. John Barickman, 52nd Maintenance Squadron aerospace propulsion craftsman, left, and Airman 1st Class Austin Wise, 52nd MXS aerospace propulsion journeyman, install an F110-GE-129 jet engine upper-fan stator case at Spangdahlem Air Base, Germany, Feb. 25, 2020. The 52nd MXS Propulsion Flight is U.S. Air Forces in Europe's sole centralized repair facility for F110 engines and is in charge of engine inspection, teardown, buildup, and testing. (U.S. Air Force photo by Airman 1st Class Valerie Seelye)