Official websites use .mil
Secure .mil websites use HTTPS
U.S. Army Pvt. Luke Lem, a combat engineer assigned to 55th Combat Engineer Company - Armored, 11th Engineer Battalion, 2d Infantry Division Sustainment Brigade, 2d Infantry Division/ROK-U.S. Combined Division, advances toward objective during a live fire exercise as part of Ulchi Freedom Shield at the Cherokee Range in South Korea, Aug. 22, 2025. Ulchi Freedom Shield is an annual combined exercise conducted in support of the ROK-U.S. Mutual Defense Treaty signed in 1953. This combined exercise program highlights the ironclad commitment between the two nations to maintain a robust combined defense posture and to defend the people of the ROK from any threat. (U.S. Army photo by Spc. Cheyenne Mayer).