U.S. Air Force Airmen assigned to the 36th Fighter Generation Squadron service liquid oxygen during Beverly Herd 24-1 at Osan Air Base, Republic of Korea, May 15, 2024. Liquid oxygen is used as a source of breathable oxygen for pilots at high altitudes where the air is too thin to provide adequate oxygen for respiration. The Airmen of the 51st Fighter Wing continuously train to maintain the high level of full-spectrum readiness required to execute the mission proficiently and effectively. (U.S. Air Force video by Senior Airman Brittany Russell) More