U.S. Air Force Staff Sgt. Wade Kirwan, 51st Civil Engineer Squadron non commissioned officer in charge of training, performs explosive ordinance and disposal methods in response to a simulated bomb threat during Mustang Rodeo at Osan Air Base, Republic of Korea, May 11, 2026. The scenario tested the ability of responding agencies to rapidly coordinate and execute emergency response procedures during a notional incident. (U.S. Air Force photo by Senior Airman Rome Bowermaster)
OSAN AIR BASE, Republic of Korea -- U.S. Airmen respond to a simulated bomb threat scenario during the Mustang Rodeo exercise at Osan Air Base, Republic of Korea, May 11, 2026. The exercise involved the 51st Security Forces Squadron and the 51st Civil Engineer Squadron responding to a simulated threat at the base post office to evaluate emergency response coordination and installation readiness.