U.S. Air Force Airman 1st Class Tylor Chism, 51st Security Forces Squadron Airman, engages simulated opposing forces during Ulchi Freedom Shield 24, at Osan Air Base, Republic of Korea, Aug. 20, 2024. During UFS 24, Defenders and augmentees tested their ability to respond to opposing forces who infiltrated the base, demonstrating defensive tactics and combat readiness. UFS24 is an annual combined exercise conducted in support of the U.S.-ROK Mutual Defense Treaty that highlights the U.S. commitment to the alliance.

Osan Air Base

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