3rd Marine Logistics Group

3rd Marine Logistics Group
Unit name	3rd Marine Logistics Group
Caption	Insignia of the unit
Dates	1 October 1967 – present
Country	United States
Branch	United States Marine Corps
Type	Logistics
Role	Combat logistics support
Size	Brigade-level
Command structure	III Marine Expeditionary Force
Garrison	Camp Kinser, Okinawa Prefecture, Japan

3rd Marine Logistics Group The 3rd Marine Logistics Group is a brigade-level United States Marine Corps logistics formation headquartered on Okinawa Prefecture with principal elements across the Indo-Pacific theater. It provides combat service support to III Marine Expeditionary Force, enabling Marine Air-Ground Task Force operations, joint interoperability with United States Indo-Pacific Command components, and combined logistics with allied forces such as the Japan Self-Defense Forces, Australian Defence Force, and Republic of Korea Armed Forces. The unit traces lineage to late-20th-century reorganizations and has participated in regional contingencies, humanitarian assistance, and multinational exercises.

History

Activated during a period of force realignment, the group descended from antecedent logistics units formed in the 1960s to support Fleet Marine Force Pacific operations, reflecting evolving doctrine from the Vietnam War era into the Cold War. Throughout the 1970s and 1980s it supported forward-deployed III Marine Expeditionary Force elements stationed on Okinawa and engaged in contingency operations tied to crises involving the People's Republic of China, Soviet Union, and various regional contingencies. In the post-Cold War period the group provided sustainment for deployments to support operations linked to the Gulf War, regional exercises such as Talisman Sabre, and engagement missions with partners including the Philippine Armed Forces and Royal Thai Armed Forces. After the attacks of September 11 attacks and during the Global War on Terrorism the group supported logistic rotations, prepositioning efforts, and humanitarian responses to events including the 2004 Indian Ocean earthquake and tsunami and the 2011 Tōhoku earthquake and tsunami, coordinating with organizations such as United States Agency for International Development and multinational naval task groups.

Mission and Role

The group's mission centers on providing expeditionary logistics to enable Marine Expeditionary Brigade and Marine Expeditionary Unit operations across the Indo-Pacific. It specializes in tactical logistics functions: supply chain management with links to Defense Logistics Agency, maintenance and intermediate repair in coordination with Naval Sea Systems Command and Marine Corps Systems Command, transportation including amphibious and over-the-shore logistics with Military Sealift Command and United States Navy amphibious forces, health service support tied to United States Navy Bureau of Medicine and Surgery, and engineering support for littoral and expeditionary basing. The unit’s role emphasizes interoperability with allied logistics frameworks of the Japan Ground Self-Defense Force, Australian Army, and logistics elements of the Republic of Korea Navy during combined operations and exercises.

Organization and Subordinate Units

The group is organized to provide modular sustainment with battalions and squadrons aligned under a headquarters element reporting to III Marine Expeditionary Force. Subordinate units typically include a combat logistics regiment and multiple combat logistics battalions, maintenance battalions, supply and transportation companies, and medical and dental detachments. Units have reported to the group from installations such as Camp Foster, Camp Hansen, and Camp Courtney on Okinawa. The structure supports task-organized deployments with detachments integrating with Marine Aircraft Group elements, infantry battalions of the 3rd Marine Division, and naval shipping assets during amphibious operations.

Operations and Deployments

The group has supported a wide array of operations: regional humanitarian assistance and disaster relief after the 2004 Indian Ocean earthquake and tsunami and the 2011 Tōhoku earthquake and tsunami, contingency sustainment during exercises like RIMPAC and Cobra Gold, and operational deployments supporting rotations tied to the Global War on Terrorism including logistics for forces en route to Operation Enduring Freedom and Operation Iraqi Freedom. It has coordinated logistics for bilateral and multilateral engagements with partners such as the Japan Maritime Self-Defense Force, Royal Australian Navy, Royal Thai Navy, and Philippine Navy during amphibious and littoral operations, and has participated in theater security cooperation missions under the purview of United States Forces Japan and United States Indo-Pacific Command.

Training and Readiness

Training focuses on expeditionary logistics proficiency: convoy operations, amphibious logistics over-the-shore training with United States Navy Amphibious Force assets, supply chain exercises with Defense Logistics Agency participation, maintenance and materiel readiness aligned with Marine Corps Logistics Command doctrine, and medical readiness coordinated with United States Navy Hospital Ships during humanitarian missions. Readiness cycles align with Marine Corps Combat Readiness Evaluation processes, pre-deployment workups with Marine Expeditionary Unit embarkation, and participation in multinational exercises including Talisman Sabre, RIMPAC, and Keen Sword to validate interoperability with Japan Self-Defense Forces and allied units.

Insignia and Traditions

The group’s insignia and unit heraldry draw on Marine Corps symbolism and references to expeditionary logistics heritage, echoing emblems used within Fleet Marine Force Pacific and III Marine Expeditionary Force formations. Traditions emphasize ship-to-shore logistics, amphibious support, and the Marine Corps ethos shared with units such as 3rd Marine Division and 1st Marine Aircraft Wing, with ceremonial links to observances conducted at bases including Camp Kinser and Camp Courtney.

Commanders and Leadership

Commanders of the group have typically been colonels and general officers with extensive experience in logistics, operations, and joint assignments, often having served in billets within Marine Corps Logistics Command, United States Indo-Pacific Command, and afloat staff positions aboard USS Bonhomme Richard (LHD-6)-class amphibious ready groups. Leadership emphasizes coordination with theater commands such as United States Forces Japan and multinational logistics staffs during combined operations.

Category:United States Marine Corps logistics units