Major General Joseph Marsiglia, Commanding General, 3D Theater Medical Command, spoke at the commissioning ceremony of twelve new 2nd Lieutenants from the University of Michigan Army ROTC Battalion, in Ann Arbor, Michigan, on May 2, 2025. Maj. Gen. Marsiglia encouraged these future Army officers to use the leadership skills they have practiced at the University of Michigan, while preparing for the changes the Army and Army Reserve are currently experiencing. Maj. Gen. Marsiglia also looked back on the time he has spent mentoring these new Lieutenant as part of the Working Together Program, sponsored by the Reserve Officers Association.
Maj. Gen. Marsiglia has been participating in the Working together Program mentoring the students...
U.S. Army Maj. Gen. Joseph Marsiglia, Commanding General of the 3d Theater Medical Command, relinquished command to U.S. Army Brig. Gen. Jennifer Marrast Host, former Deputy Commanding General of Army Reserve Medical Command, on Sept. 6, 2025 in Forest Park, GA at Gillem Enclave. The U.S. Army holds change of command ceremonies to formally commemorate the transfer of leadership. (U.S. Army Reserve video by Pfc. Eric Goins)
U.S. Army Reserve Maj. Gen. Jennifer Marrast Host, commanding general of the 3d Theater Medical Command, greets Soldiers of the 338th Medical Brigade during Operation Sentinel Justice at Camp Shelby, Mississippi, June 17, 2026. Operation Sentinel Justice is a large-scale U.S. Army Reserve training exercise that enhances Soldier and unit readiness, validates capabilities, and improves mission effectiveness through realistic, multi-echelon training in a dynamic operational environment. (U.S. Army Reserve photo by Pfc. Shemari Salkey)
The 3D Medical Command (Deployment Support) hosts a G-1 Bootcamp which is a five-day course that provides training to USAR Soldiers and Civilians who utilize Human Resource systems and processes.
