Building basics: FTD forms maintenance professionals
U.S. Air Force Airman Christian Lank, 20th Component Maintenance Squadron aerospace propulsion apprentice, works on removing the accessory drive gearbox of an F-16CM Fighting Falcon during training at the 372nd Training Squadron, Detachment 202 F-16 Field Training Detachment (FTD) at Shaw Air Force Base, S.C., April 25, 2017. The FTD aims to improve upon the existing skills of maintainers, through teaching advanced techniques and troubleshooting procedures. (U.S. Air Force photo by Senior Airman Kelsey Tucker)