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| 25th Marine Expeditionary Unit | |
|---|---|
| Unit name | 25th Marine Expeditionary Unit |
| Dates | 1 April 1967–present |
| Country | United States |
| Branch | United States Marine Corps |
| Type | Marine Air-Ground Task Force |
| Role | Expeditionary operations |
| Size | ~2,200 |
| Garrison | Marine Corps Base Camp Lejeune |
| Nickname | "TBD" |
| Motto | "TBD" |
25th Marine Expeditionary Unit
The 25th Marine Expeditionary Unit is a Marine Air-Ground Task Force sized unit assigned to II Marine Expeditionary Force, based at Marine Corps Base Camp Lejeune and regularly embarked aboard amphibious assault ships of United States Navy expeditionary strike groups. It provides crisis response, contingency operations, noncombatant evacuation, humanitarian assistance, and forcible entry capabilities to commanders such as those of United States European Command, United States Africa Command, and United States Central Command. The unit integrates ground combat, aviation combat, and logistics elements to support operations across theaters including the Mediterranean Sea, Persian Gulf, and Horn of Africa.
Activated in 1967 during the Vietnam era, the unit traces lineage through deployments associated with Cold War crises such as operations near Cuba and contingency operations during the Yom Kippur War era. During the post‑Cold War period it participated in operations tied to Operation Desert Shield, Operation Provide Comfort, and later rotational deployments in support of Operation Enduring Freedom and Operation Iraqi Freedom. The unit has conducted maritime interdiction in coordination with United States Sixth Fleet and NATO partners including Royal Navy, French Navy, and Italian Navy task forces. In the 21st century the unit supported humanitarian missions following natural disasters such as relief efforts interacting with United Nations Office for the Coordination of Humanitarian Affairs and multinational relief agencies.
The unit organizes as a Marine Air-Ground Task Force composed of a Command Element drawn from II Marine Expeditionary Force, a Ground Combat Element typically constituted from infantry battalions such as elements of 1st Marine Division or 2nd Marine Division, an Aviation Combat Element sourced from units like 3rd Marine Aircraft Wing or 2nd Marine Aircraft Wing, and a Combat Logistics Element drawn from Combat Logistics Regiment 2 or similar logistics regiments. Embarked aboard amphibious ships such as USS Wasp (LHD-1), USS San Antonio (LPD-17), or USS Mesa Verde (LPD-19), the unit integrates capabilities from platforms including AV-8B Harrier II, F/A-18 Hornet, MV-22 Osprey, AH-1Z Viper, and CH-53E Super Stallion to enable power projection. Support functions coordinate with shore facilities at Naval Station Norfolk, Naval Support Activity Naples, and logistics hubs like Camp Lejeune Logistics Base.
Operational deployments have included amphibious ready group cruises under commanders of United States Sixth Fleet and United States Fifth Fleet, interdiction operations alongside Operation Southern Watch and Operation Restore Hope style humanitarian interventions. The unit has executed noncombatant evacuation operations similar to those in Operation Allies Refuge and partnered exercises such as Exercise Trident Juncture, Exercise African Lion, Exercise Dynamic Manta, and Bright Star with militaries like Royal Moroccan Armed Forces and Hellenic Armed Forces. During stability operations elements worked with agencies including United States Agency for International Development and International Committee of the Red Cross in complex environments in proximity to theaters like Iraq, Afghanistan, Libya, and Somalia.
Pre-deployment training cycles conform to certification standards by commanders of II Marine Expeditionary Force and coordination with United States Fleet Forces Command and NATO Allied Command Transformation. Training events include Composite Training Exercises, live-fire ranges at locations such as Marine Corps Air Ground Combat Center Twentynine Palms and amphibious assault rehearsals at Camp Lejeune range complexes. Interoperability training is conducted with partner forces from United Kingdom, France, Spain, Italy, and Portugal under scenarios drawn from doctrines promulgated by NATO and vetted in exercises like Operation Active Endeavour. Special skills training includes embassy evacuation rehearsals, maritime interdiction boarding procedures, and liaison with staffs from United States Southern Command and United States European Command.
Individual and unit awards have been presented in connection with deployments and joint operations, including campaign streamers and unit commendations aligned with operations such as Operation Desert Storm era recognitions, Global War on Terrorism campaign credits, and humanitarian mission commendations coordinated with United States European Command and United States Africa Command. Units within the MEU have received awards administered by the Department of the Navy and decorations linked to joint task force citations during multinational operations with NATO allies.
Command leadership rotates among colonels and general officers assigned through II Marine Expeditionary Force pipelines, with liaison relationships to amphibious squadron commanders from United States Sixth Fleet and Amphibious Squadron 8. Recent commanding officers have coordinated with senior leaders from United States Marine Corps Forces Command, Marine Corps Combat Development Command, and flag officers aboard amphibious assault ships.
The unit’s insignia, colors, and traditions reflect Marine Corps heraldry codified by the United States Marine Corps Institute and heraldic guidance from the Institute of Heraldry. Ceremonial practices align with traditions observed at Marine Barracks Washington and during shipboard ceremonies aboard amphibious assault ships. Unit rites incorporate elements common to Marine expeditionary units such as change of command ceremonies, unit colors presentation, and commemorations tied to historic amphibious operations like Operation Neptune and anniversaries of Iwo Jima landings.
Category:United States Marine Corps units