642nd Regional Support Group
U.S. Army Command Sgt. Maj. Lawrence M. Leising, 561st Regional Support Group, leads the color guard during a ceremony marking the unit’s taking over responsibility for the Mobilization Support Brigade at Fort Hood, Texas, Nov. 18, 2022. The mission, which it received from the outgoing 642nd Regional Support Group, is to support the mobilizing and demobilizing of Army Reserve and National Guard units. (U.S. Army photo by Master Sgt. Gary A. Witte, 642nd Regional Support Group)