U.S. Army Sgt. Maj. Duncan F. McGrath, (center), Operations, Training and Exercise Sergeant Major, U.S. Army South (Sixth Army), presents the colors of the command to U.S. Army Maj. Gen. Philip J. Ryan, (left), Commanding General, U.S. Army South (Sixth Army), and U.S. Army Command Sgt. Maj. Eric B. Olsen, (right), Command Sergeant Major of U.S. Army South (Sixth Army), during the U.S. Army South inactivation ceremony, May 29, 2026. The ceremony formally marked the inactivation of U.S. Army South after decades of supporting security cooperation, contingency operations, and partnerships throughout Central America, South America and the Caribbean.