U.S. Air Force Airman 1st Class Jacob Hernandez Gonzalez, a medical technician with the 673d Operational Medical Readiness Squadron, participates in the Arctic Warrior Challenge as a simulated gunshot victim at Joint Base Elmendorf-Richardson, Alaska, April 20 2023. The Arctic Warrior Challenge was a scenario-based field training exercise designed to hone the 673d Medical Group Airmen’s tactical combat casualty care (TCCC) skills, improve operational readiness, and foster unit cohesion. TCCC outlines prehospital combat medicine devised to provide lifesaving care to injured combatants, to limit the risk of further casualties, and to help achieve mission success. Hernandez Gonzalez is from Beaverton, Ore.