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III MARINE EXPEDITIONARY FORCE

III MEF Logo
FORWARD. FAITHFUL. FOCUSED.
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.


 

01

VMFA 211 | Deploys to Japan

Marine Corps F-35B Lightning II aircraft with Marine Fighter Attack Squadron (VMFA) 211 lands at Marine Corps Air Station Iwakuni, Japan, May 10, 2025

02

31st MEU | TRAP during MEUEX

U.S Marines conduct on and off drills out of a LAV while conducting a TRAP simulation as a part of MEU Exercise at Camp Hansen, Japan, May 3, 2025.

03

31st MEU | Mechanized Raid

A U.S. Marine gives commands to surrendering adversary forces during a simulated force-on-force mechanized raid at Camp Hansen, Okinawa, Japan.

04

31st MEU | Fast Rope

Marines with Maritime Raid Force fast-rope from a CH-53E Super Stallion during alternate insertion and extraction training.

05

MWSS 171 | Small Arms Range

Staff Sgt. Jacob Rizzo, with Marine Wing Support Squadron (MWSS) 171, Marine Aircraft Group 12, 1st Marine Aircraft Wing, fires an M4 carbine.

06

Iwo Jima | 80 Years Later

U.S. Marine Corps private first class and a veteran of the Battle of Iwo Jima, pays respects to fallen comrades at the 80th Reunion of Honor ceremony.

 

Featured News

Bougainville III: USNS City of Bismarck
3d Marine Division
April 1, 2024 | 1:07
Bougainville III: USNS City of Bismarck
3d Marine Division
April 1, 2024 | 1:07
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Bougainville III: USNS City of Bismarck
U.S. Marines and Sailors Rehearse Maritime Strikes in the Pacific
3d Reconnaissance Hull Inspection
Dental breakdown
VMM-262 Conducts Hoist Training
Our Capabilities | 3rd Medical Battalion showcase their capabilities during the exercise KAMANDAG 3
World War II veteran speaks about returning to Iwo To
Iwo Jima veterans return to Iwo To for Reunion of Honor ceremony
1st MAW Holiday Message
(For Radio) Training to Save Lives | 3rd Medical Bn. participates in NMAP training
31st MEU's FRP refine VBSS capabilities
RIMPAC 2018
Australian soldiers and Indonesia fire artillery with U.S. Marines together during RIMPAC
Fleet Marine Forces wrap up harbor phase of RIMPAC
RIMPAC participants practice helo casting
 
III Marine Expeditionary Force