A U.S. Air Force aircrew member uses a compass to navigate during a combat survival training course at Kadena Air Base, Japan, March 18, 2021. Instructors teach students how to use many instruments they might have available in a real-world scenario. The knowledge of how to use a compass or radio can mean the difference between life or death in some events. (U.S. Air Force Photo by Airman 1st Class Cesar J. Navarro)