A U.S. Air Force Academy class of 2023 basic cadet tests the Assault Course at Jacks Valley on the grounds of the academy, July 22, 2019. The assault course is a physically and mentally strenuous course in which basic cadets are put through combat-like situations with simulated small arms fire, artillery explosions and obstacles during the final phase of their training. (U.S. Air Force photo by Trevor Cokley)

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Photo by: Trevor Cokley |  VIRIN: 190722-F-XS730-8005.JPG