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U.S. Air Force Tech. Sgt. Justin Gadell, 58th Maintenance Squadron metals technology section chief, works on a CNC milling machine at Kirtland Air Force Base, New Mexico, Aug. 26, 2021. Metal technicians have many duties, including machining, welding and supporting Air Force traditions by providing medallions for promotion ceremonies. (U.S. Air Force photo by Senior Airman Ireland Summers)