Pilots' gear hangs on a rack at Joint Base Pearl Harbor-Hickam, Hawaii, June 18, 2018. The 13th Fighter Squadron participated in Combat Hammer, which is a part of the Air Force's weapons system evaluation program. Combat Hammer gave pilots and maintainers an opportunity to train with live munitions they don't usually get to handle. (U.S. Air Force photo by Senior Airman Brittany A. Chase)