250911-F-LX373-1347
U.S. Air Force Maj. Jason Frias, 374th Surgical Operation Squadron nurse anesthetist, prepares a blood bag during the Valkyrie Emergency Fresh Whole Blood Transfusion training at Yokota Air Base, Japan, Sept. 11, 2025. Completion of tactical combat casualty care is required before participating in the training, which prepares Airmen to respond to multi-casualty emergencies, including natural disasters and combat operations. This training equips Airmen with the skills to save lives in high-pressure, real-world situations. (U.S. Air Force photo by Airman 1st Class David S. Calcote)