I Marine Expeditionary Force

I MEF Logo
Ready. Engaged. Faithful.
Official U.S. Marine Corps Website

Who we are

I MEF provides the Marine Corps a globally responsive, expeditionary, and fully scalable Marine Air-Ground Task Force (MAGTF), capable of generating, deploying, and employing ready forces and formations for crisis response, forward presence, major combat operations, and campaigns.

 

Featured News

 

 

 

Explore Photos

 

 

Featured Videos

01

HMH-465 conducts Deployment for Training

U.S. Marines with Marine Heavy Helicopter Squadron (HMH) 465, Marine Aircraft Group 16, 3rd Marine Aircraft Wing, conduct flight operations in...

02

Lethality Through Leadership Seminar

U.S. Marines with I Marine Expeditionary Force participate in the Lethality Through Leadership Seminar at Marine Corps Base Camp Pendleton,...

03

QUART 26.2: Built to Swim, Born to Fight | The Marine Corps ACV

U.S. Marines with 3rd Assault Amphibian Battalion, 1st Marine Division, train with the Amphibious Combat Vehicle, successor of the Amphibious Assault...

04

I MEF: 2025 Year in Review

U.S. Marines and Sailors with I Marine Expeditionary Force demonstrate unmatched readiness and global reach in 2025. From rapid crisis response to...

05

We Are MRF-SEA

U.S. Marines and Sailors assigned to Marine Rotational Force-Southeast Asia, I Marine Expeditionary Force, deployed as a forward-deployed,...

06

I MEF Marines honor Marine Corps’ 250th birthday

For 250 years, U.S. Marines have been the nation’s expeditionary force in readiness. Now, in 2025, I Marine Expeditionary Force carries on that...

07

MRF-D 25.3: A Stand-In Force Legacy

U.S. Marines with Marine Rotational Force – Darwin 25.3 conducted various operations, exercises, and training events throughout the Indo-Pacific...

08

Meet Your MRF-D: Part 4

U.S. Marines Corps 1st Lt. Alexa Emano, an assistant Logistics Officer with Marine Rotational Force – Darwin 25.3, Cpl. Connor M. Beard an airframes...

09

NS25: 1st ANGLICO Coordinates Close Air Support

U.S. Marines with 1st Air Naval Gunfire Liaison Company, I Marine Expeditionary Force Information Group, coordinates close air support with Marine...

10

Reel: MAG-13 Change of Command

U.S. Marines with Marine Aircraft Group 13, 3rd Marine Aircraft Wing, participate in the change of command ceremony for Col. Roy J. Nicka, the...

CONNECT WITH US

I Marine Expeditionary Force