Kadena Airmen tryout for the Defenders Challenge Championship
U.S. Air Force Airman 1st Class Samuel Gonzales, 18th Security Forces Squadron armorer, assembles an M240 machine gun during the Defenders Challenge Feb. 13, 2020, at Kadena Air Base, Japan. The members participated in the Defenders Challenge, an event challenging participants to run through an obstacle course designed to test their physical and mental abilities. (U.S. Air Force photo by Naoto Anazawa)