1st Maintenance

The 1st Maintenance Battalion is a United States Marine Corps unit based at Camp Pendleton, California, and is part of the 1st Marine Logistics Group. Activated during World War II in 1947, the battalion has provided critical intermediate-level maintenance support for ground equipment, vehicles, and weapon systems. Over the decades, the 1st Maintenance Battalion has supported major operations including the Korean War, Vietnam War, Operations Desert Shield and Desert Storm, Operation Iraqi Freedom, and Operation Enduring Freedom in Afghanistan. Its mission remains vital: ensuring the operational readiness and sustainability of Marine forces through expert maintenance and logistical support.