Airman 1st Class Hunter Underwood, 63rd Aircraft Maintenance Unit crew chief, inspects the wheel of an a F-35A Lightning II Jan. 7, 2020, at Luke Air Force Base, Ariz. Luke AFB is the largest F-35A training base in the Air Force, providing combat-ready Airmen and pilots. (U.S. Air Force photo by Senior Airman Alexander Cook)
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