Propulsion: reassembling the engine Published April 3, 2017 By Airman 1st Class BrieAnna Stillman 20th Fighter Wing SHAW AIR FORCE BASE, S.C. -- U.S. Air Force Senior Airman Jaymie Sanarez and Senior Airman Monhuan Lee, 20th Component Maintenance Squadron aerospace propulsion journeymen, prepare to work on a number three sump housing, which houses part of the F110-129D engine at Shaw Air Force Base, S.C., March 29, 2017. The number three sump housing will be part of one of the first 6,000 total accumulated cycle F110-129D engines that is scheduled to be built for the F-16CM Fighting Falcon. (U.S. Air Force photo by Airman 1st Class BrieAnna Stillman)