U.S. Air Force Staff Sgt. Tony Darden, 7th Component Maintenance Squadron aerospace propulsion craftsman, inspects the parts of an engine at Dyess Air Force Base, Texas, Feb. 26, 2018. Every engine that is worked on in the shop is thoroughly inspected before it leaves to ensure that all parts are properly placed and fixed. (U.S. Air Force photo by Airman 1st Class Mercedes Porter)