U.S. Air Force Airman 1st Class Yunus Janajreh, 33rd Maintenance Squadron aircraft metals technologist, holds an actuating lever Oct. 3, 2018, at Eglin Air Force Base, Fla. All 10 levers were completed in five days and are expected to last more than a decade. (U.S. Air Force photo by Airman 1st Class Emily Smallwood)