U.S. Air Force civilian Tim Hardman, a 354th Civil Engineer Squadron (CES) work leader, supervises a truck creating ice for an F-35A Lightning II test Nov. 4, 2017, at Eielson Air Force Base, Alaska. The 354th CES “Dirt Boyz” helped the F-35A testing process by clearing the air-field of snow and providing a controlled environment. (U.S. Air Force photo by Airman 1st Class Isaac Johnson)
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