The 3rd Marine Division is a division of the United States Marine Corps based at Camp Courtney, Marine Corps Base Camp Smedley D. Butler in Okinawa, Japan. It is one of three active duty infantry divisions in the Marine Corps and together with the 1st Marine Aircraft Wing (1stMAW) and the 3rd Marine Logistics Group forms the III Marine Expeditionary Force. The division was first formed during World War II and saw four years of continuous combat in the Vietnam War. Today, elements of the 3rd Marine Division are continuously forward deployed and forward postured to carry out the US Government's mission of a Free and Open Indo-Pacific in conjunction with its sister services.
The I Marine Expeditionary Force is a Marine Air Ground Task Force (MAGTF) of the United States Marine Corps primarily composed of the 1st Marine Division, 3rd Marine Aircraft Wing, and 1st Marine Logistics Group. It is based at Marine Corps Base Camp Pendleton.
Combat service support is a topic that is, broadly speaking, a subset of military logistics. However, combat service support is often more limited in depth, as the related groups primarily address factors supporting readiness for combat operations. The United States Department of Defense organizes various agencies providing services such as medical assistance, for example, akin to other nations' militaries.
The 3rd Marine Logistics Group is the Logistics Combat Element (LCE) for III Marine Expeditionary Force currently headquartered on Camp Kinser, Marine Corps Base Smedley D. Butler, Okinawa, Japan. 3rd MLG provides combat service support (CSS) to III MEF units above the organic capability. CSS is the essential capabilities, functions, activities, and tasks necessary to sustain all elements of operating forces in theater at all levels of war. Combat service support includes, but is not limited, to supply, maintenance, transportation, general engineering, health services, and other services required by aviation and ground combat forces to permit those units to accomplish their missions.
The 1st Marine Logistics Group is a logistics unit of the United States Marine Corps and is headquartered at Marine Corps Base Camp Pendleton, California, with several subordinate elements located at Marine Corps Air Station Yuma and Marine Corps Air Ground Combat Center Twentynine Palms. It is the logistics combat element of the I Marine Expeditionary Force.
The 12th Marine Littoral Regiment is a Littoral regiment of the United States Marine Corps based at Camp Smedley Butler, Okinawa, Japan. Nicknamed "Thunder and Steel," the regiment falls under the command of the 3rd Marine Division.
The 3d Marine Littoral Regiment is a regiment of the United States Marine Corps that is optimized for littoral maneuver in the Indo-Pacific Theater. Based at Marine Corps Base Hawaii, the regiment falls under the command of the 3rd Marine Division and the III Marine Expeditionary Force. It was known as the 3rd Marine Regiment from 1914 to 2022, when it was renamed as part of the Commandant of the Marine Corps' Force Design 2030 initiative. The 3d MLR has participated in the 2022 and 2023 Balikatan exercises in Northern Luzon, Philippines.
Combat Logistics Regiment 3 (CLR-3) is a direct support (DS) logistics unit of the United States Marine Corps and is headquartered at Camp Foster, Okinawa, Japan. The unit falls under the 3rd Marine Logistics Group and the III Marine Expeditionary Force.
The 3d Medical Battalion is a medical support unit of the United States Marine Corps and is headquartered at Camp Foster, Okinawa, Japan. The unit falls under the command of 3rd Marine Logistics Group.
The Combat Assault Battalion was a mechanized battalion of the United States Marine Corps and subordinate element of the 3rd Marine Division and the III Marine Expeditionary Force. The unit was last based at Camp Schwab, Okinawa, Japan.
Combat Logistics Regiment 37, 3rd MLG is a logistics regiment of the United States Marine Corps. It is part of the 3rd Marine Logistics Group and III Marine Expeditionary Force. The unit is based out of the Marine Corps Base Camp Kinser, Okinawa, Japan.
3rd Combat Engineer Battalion was a combat engineer battalion of the United States Marine Corps, most recently activated from 7 October 2007 to 5 August 2014.
Combat Logistics Battalion 13 (CLB-13) is a logistics battalion of the United States Marine Corps. In garrison, it falls under the command of Combat Logistics Regiment 17 and the 1st Marine Logistics Group; however, when deployed, it forms the logistics combat element of the 13th Marine Expeditionary Unit. The battalion is based out of the Marine Corps Base Camp Pendleton, California.
Combat Logistics Regiment 2 is a logistics regiment of the United States Marine Corps. The unit is based at Marine Corps Base Camp Lejeune, North Carolina and falls under the command of the 2nd Marine Logistics Group and the II Marine Expeditionary Force.
3d Littoral Logistics Battalion is a logistics battalion in the United States Marine Corps. They are headquartered at Marine Corps Base Hawaii and fall under the command of 3rd Marine Littoral Regiment and the 3rd Marine Division.
The 3rd Maintenance Battalion is a battalion of the United States Marine Corps that provides intermediate-level maintenance for the III Marine Expeditionary Force's tactical ordnance, engineer, motor transport, communications electronics and general support ground equipment. The unit falls under the command of 3rd Sustainment Group (Experimental) and the 3rd Marine Logistics Group, and is based at Camp Kinser, Okinawa, Japan, with the exception of Regional Maintenance Operations Companies, which are located at nearby Camp Foster and Camp Hansen, respectively.
Combat Logistics Battalion 4 (CLB-4) is a logistics unit of the United States Marine Corps (USMC). The battalion falls under the command of Combat Logistics Regiment 3, which is a part of the 3rd Marine Logistics Group. They are based on Camp Schwab, Okinawa, Japan and their mission includes construction, demolition, supply, transportation, maintenance and fabrication.
2d Transportation Support Battalion is a logistics unit of the United States Marine Corps that is based at Marine Corps Base Camp Lejeune, North Carolina. The battalion falls under the command of Combat Logistics Regiment 2 and the 2nd Marine Logistics Group. The battalion was reactivated October 1, 2014.
1st Transportation Battalion (TB) was a General Support (GS) logistics unit of the United States Marine Corps that was headquartered at Marine Corps Base Camp Pendleton, California. The unit last fell under the command of Combat Logistics Regiment 1 and the 1st Marine Logistics Group until deactivation on 12 January 2024.
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