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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

Fuji Viper 20-1 Community Relations
3d Marine Division
Oct. 29, 2019 | 0:34
Fuji Viper 20-1 Community Relations
3d Marine Division
Oct. 29, 2019 | 0:34
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III Marine Expeditionary Force