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III Marine Expeditionary Force (MEF) Support Battalion provides and coordinates direct combat service support (CSS), security, and administrative services to III Marine Expeditionary Force (MEF), 3d Marine Expeditionary Brigade (MEB), and III MEF Information Group (MIG) Command Elements (CE) in order to enable III MEF to win in competition and conflict.
RODRIGUEZ LIVE-FIRE COMPLEX, REPUBLIC OF KOREA -- U.S. Marines with 12th Littoral Combat Team, 12th Marine Littoral Regiment, 3rd Marine Division, executed company-size attacks during a Combined-Arms Live-Fire Exercise at Rodriguez Live-Fire Complex, Republic of Korea, Feb. 26 to March 4, 2026. During the company-level exercise, Marines integrated organic and supporting fires, maneuver elements, and reconnaissance capabilities to conduct a coordinated assault on a designated objective.
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Before the sun rises over Camp Hansen, Marines from across III Marine Expeditionary Force gather inside a classroom lined with detailed medical diagrams. Each seat is prepared with a medical aid bag containing the essential tools needed to care for a wounded Marine in combat. Voluntarily, these Marines have chosen to take the next step in Tactical Combat Casualty Care by earning the combat lifesaver (CLS) certification.
Maj. Codi Anne Mullen assumed command of Headquarters Company, 3rd Marine Expeditionary Brigade, during a ceremony on Jan. 13, 2026, at Camp Courtney. The event marked a new chapter in her career as a logistics officer and commander. Headquarters Company provides personnel and support that allows the brigade’s command element to function daily.
LtCol Gangemella was born in Wilmington, DE on September 21, 1985. He was accepted to Pensacola
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Sergeant Major Doyon was born on 8 July 1986 in Mt Kisco, New York. He enlisted in