A U.S. Airman assigned to the 435th Contingency Response Group loads an M-4 Carbine rifle cartridge with ammunition during exercise Agile Wolf 21-01 at U.S. Army Garrison Grafenwoehr, Bavaria, Nov. 16, 2020. During the exercise, each Airman was required to maintain airfield security. Agile Wolf 21-01 is an exercise designed to sharpen the tactics, techniques and procedures for establishing expeditionary airfields on demand. (U.S. Air Force photo by Senior Airman Milton Hamilton)