US, ROK Air Force’s train with fire
U.S. Air Force Senior Airman Ryan Bischoff, a firefighter with the 51st Civil Engineer Squadron, dons protective gear prior to responding to a simulated aircraft fire at Osan Air Base, Republic of Korea, March 21, 2019. The 51st CES firefighter team provides fire and emergency services that include flight line protection and hazardous material cleanup. (U.S. Air Force photo by Staff Sgt. Sergio A. Gamboa)