An official website of the United States government
Here's how you know
A .mil website belongs to an official U.S. Department of Defense organization in the United States.
A lock (lock ) or https:// means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.

Marines


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

KS 25 | Expeditionary Flight

A U.S. Marine Corps KC-130J Super Hercules aircraft takes off from Tinian, Northern Mariana Islands, during exercise Keen Sword 25, Oct. 29, 2024.

02

KS 25 | Airfield Damage Repair

U.S. service members and Japan Maritime Self-Defense Force members work together during bilateral airfield damage repair training.

03

KS 25 | HIMARS Live-Fire

U.S. Marines and Japan Ground Self-Defense Force members utilize M142 HIMARS to execute fire missions during exercise Keen Sword 25.

04

KS 25 | HIMARS offload

U.S. Marines with 12th Marine Littoral Regiment, provide visual oversight of an M142 HIMARS movement in preparation for Keen Sword 25.

05

3d LCT | Squad Attacks

U.S. Marines with 3d Littoral Combat Team conduct a squad attack range on Marine Corps Base Hawaii, Oct. 15, 2024.

06

1st MAW | Flight Formation

U.S. Marine Corps UH-1Y Venom and AH-1Z Viper helicopters fly in formation off the coast of Okinawa, Japan, Oct. 11, 2024.

07

III MEF | Humanitarian Relief

A U.S. Marine and a Philippine Air Force service member stage equipment in preparation to transport USAID family food packs at Villamor Air Base.

08

CLB-12 | Redesignation

The ceremony marks the redesignation of CLB-12 to 12th Littoral Logistics Battalion on Oct. 3, 2024, Camp Hansen, Okinawa Japan.

09

3d MLR | Air Insert

U.S. Marines with 3d Marine Littoral Regiment, conduct an air insert onto Marine Corps Training Area Bellows, Hawaii, Sept. 24, 2024.

10

III MEF | Enforcing Measures

Courtesy Patrols and vehicle checkpoints underscore the Marine Corps’ dedication to upholding the highest standards of conduct during liberty.

 

Featured News

3d Marine Division Veterans Day Shoutouts
3d Marine Division
Oct. 30, 2024 | 2:42
3d Marine Division Veterans Day Shoutouts
3d Marine Division
Oct. 30, 2024 | 2:42
Player Embed Code:
Tags
More
3d Marine Division Veterans Day Shoutouts
U.S. Marines, U.S. Air Force, Republic of Korea Air Force participate in Freedom Flag 24-1
3rd LCT conducts live-fire mortar training
3d LCT conducts squad competition
CBRN Marines rehearse aircraft decontamination procedures during Kaioke Response
20 for the Corps: 5th ANGLICO Rededication Ceremony
20 for the Corps: 5th ANGLICO Rededication Ceremony
Outlaw Wrath 24
MWSS-171 engineers fire machine guns during Outlaw Wrath 24
HMLA-367 flies during Fuji Viper 24
5th ANGLICO | 20th Anniversary of 5th ANGLICO
U.S. Marines load up for training exercise
31st MEU | Ready, Partnered, Lethal
3D MARDIV Squad Competition
MACG-18 conducts MISTEX
 
III Marine Expeditionary Force