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Okinawa, Japan

Who we are

III MEF is the nucleus of a joint and coalition Stand-In Force within the First Island Chain. In competition, III MEF assures and expands access for the joint force across the Indo-Pacific. In crisis, it provides in-place response forces to secure allies and partners while deterring adversary aggression. In conflict, III MEF fights from advanced naval bases as part of a naval expeditionary force and enables Joint Force objectives in the Indo-Pacific.



Valiant Shield 2024 Participants Conduct Sinking Exercise

PEARL HARBOR – Valiant Shield (VS) 2024 conducted a sinking exercise (SINKEX) with the environmentally clean decommissioned hulk of the Austin-class...


Chaplains take part in Jungle Religious Ministry Course

U.S. Navy and U.S. Air Force Chaplains from across the Department of Defense participate in the Jungle Religious Ministry Course (JREL) at the Jungle...


Singing the Same Tune: III MEF Band Meets the City of Pohang’s International Festival of Fire and Light

The Republic of Korea hosts a three-day International Fire and Light Festival that has continued for over 20 years, attracting over 300,000 people...


JIIM Batanes TTX

U.S. and Philippine government officials convene for the Joint, Interagency, Intergovernmental, Multinational Energy Resilience and Readiness...


Seaside Signals and Communication| 3rd Radio Battalion

U.S. Marine Corps Lance Cpl. Austin Jinapuck, a defensive cyberspace warfare operator with 3rd Radio Battalion, III Marine Expeditionary Force...


III MEF Marines participate in Basic Jungle Skills Course

A U.S. Marine with III Marine Expeditionary Force navigates across a rope bridge during a Basic Jungle Skills Course at the Jungle Warfare Training...


5th ANGLICO | Warrior Shield 24

U.S. Marines with 5th Air Naval Gunfire Liaison, III Marine Expeditionary Force Information Group, and Republic of Korea Marines conduct a Tactical...


HMA Thailand 24 | A Woman’s Fight Against Landmines

U.S. Marines and Sailors with 3rd Marine Logistics Group and Royal Thai Armed Forces instructors with Thailand Mine Action Center (TMAC) teach an...


Warrior Shield | U.S., ROK Marines conduct Combined Live-Fire

U.S. Marine Corps Cpl. Johnathan Saechao, a low altitude air defense gunner, with 3rd Low Altitude Air Defense Battalion, 3rd Marine Air Wing, and a...


Warrior Shield 24 | 3rd MLG Live-Fire Range

U.S. Marine Corp Lance Cpl. Cian Doyle, a combat engineer with 9th Engineer Support Battalion, 3rd Marine Logistics Group, engages targets during a...


Humanitarian Aid

III MEF Marines provide assistance in the Philippines.


Stand-in Force Exercise 24

U.S. Marine Corps Cpl. Alexander Crider signals to his squad during Stand-in Force Exercise 24 at Combined Arms Training Center Camp Fuji, Japan,...


HMLA-169 | SPIE Rigging, Fast Rope, and Rappel Training

U.S. Marines with III Marine Expeditionary Force rappel from a UH-1Y Venom assigned to Marine Light Attack Helicopter Squadron 169 during special...


VMU-3 Milestone Video

The U.S. Marine Corps MQ-9A MUX/MALE is unveiled during a ceremony for Marine Unmanned Aerial Vehicle Squadron (VMU) 3, Marine Aircraft Group 24, 1st...


3d LCT conducts Multi-Purpose Anti-Armor Anti-Personnel Weapons Systems Range

U.S. Marines with 3d Littoral Combat Team, 3d Marine Littoral Regiment, 3d Marine Division, conduct a Multi-Purpose Anti-Armor Anti-Personnel Weapons...


Featured News


Fuji Viper High Explosive Range Reel
3d Marine Division
July 9, 2024 | 0:27
Fuji Viper High Explosive Range Reel
3d Marine Division
July 9, 2024 | 0:27
Player Embed Code:
Fuji Viper High Explosive Range Reel
3d MLR Minute: June 24-30
Working Together: Exercise Tanuki Bandit
Working Together: Exercise Tanuki Bandit
31st MEU | Independence Day Formation
“Thanks MCCS!” – 3d MLR
31st MEU | First AH-1Z JAGM Launched in the Indo-Pacific
Valiant Shield 2024 | Exercise Valiant Shield wraps up
Navy Medical Personnel Train In The Fundamentals Of Critical Care Support Course.
Fuji Viper 24.3
3d MLR Minute: June 10-16
III MIG Change of Command
ARTP 24.1
ARTP 24.1
Day in the Life | Marine F-35 Mechanic
III Marine Expeditionary Force