F-35As fly in weapons evaluation
Airmen assigned to the 388th Aircraft Maintenance Squadron prepare F-35A Lightning II aircraft for flight at Hill Air Force Base, Aug. 7, 2017. The Airmen and aircraft participated in Combat Hammer, a multi-day air-to-ground weapons evaluation which takes place over the Utah Test and training Range. (R. Nial Bradshaw/U.S. Air Force)

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Photo by: R. Nial Bradshaw |  VIRIN: 170807-F-OD616-0014.JPG