F-35As fly in weapons evaluation
An F-35A Lightning II aircraft from Hill Air Force Base, Utah, drops a 2,000-pound GBU-31 bomb over the Utah Test and Training Range, Aug. 10, 2017. The F-35 flew Combat Hammer, an evaluation exercise which tests and validates the performance of crews, pilots and their technology while deploying precision-guided munitions. (Courtesy Photo/Scott Wolff)