U.S. Air Force Staff Sgt. Spencer Craig, an aerospace propulsion craftsman with the 1st Special Operations Maintenance Squadron, observes an engine run in the 1st SOMXS engine test cell at Hurlburt Field, Florida, Aug. 28, 2020. Engine test runs ensure top performance of Air Force Special Operations Command’s legacy C-130 aircraft engines and propellers. (U.S. Air Force photo by Staff Sgt. Lynette M. Rolen)