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)
Major General Jennifer Marrast Host, the Commanding General of the 3d Theater Medical Command, is a distinguished board-certified Emergency Medicine Physician and high-ranking military leader currently serving as the Associate Chief of Staff of Education at the Atlanta VA Health Care System. Since commissioning in 1997, she has held critical leadership roles, most recently as the Assistant Surgeon General for Mobilization, Readiness and Reserve Affairs and Deputy Commanding General for AR-MEDCOM. Her extensive operational background includes commanding medical missions across seven countries during the COVID-19 pandemic and serving in combat theaters in Iraq and Afghanistan. A graduate of the Army War College and Rutgers University School of Medicine, MG Marrast Host’s career is defined by strategic command and clinical excellence, recognized by numerous decorations including the Legion of Merit.
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.
