I Marine Expeditionary Force
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

I MEF Change of Command Ceremony Highlights
I Marine Expeditionary Force
Feb. 16, 2024 | 2:44
I MEF Change of Command Ceremony Highlights
I Marine Expeditionary Force
Feb. 16, 2024 | 2:44
Player Embed Code:
ACDC: Marksmanship training Reel
11th MEU Dine-Out
9th Communication Battalion Relief and Appointment Ceremony
I MEF: EOTG Overview
I MEF Change of Command Ceremony Highlights
I MEF: 1st Civil Affairs Group FEX
I MEF Change of Charge Ceremony
Keris MAREX 23 Teaser Trailer
Keris MAREX 23: Mortar Live-fire
Keris MAREX 23: MRF-SEA, KORMAR Forces Marines conduct Tactical Combat Causality Care practical application
KAMANDAG 7: MRF-SEA attend jungle survival training
MRF-SEA: KAMANDAG 7 Culminating Video
Teaser: Steel Knight 23.2
Your Hometown Hero: LCpl. Harry Fang
MRF-SEA: MTA Malaysia 2023
Your Hometown Hero: Sgt. Oscar Lagunas
MRF-SEA Marines set up communication site on the coast during Sama Sama 23
Sama Sama 2023 Force Protection subject matter expert exchange
BLT 1/5 Conducts Company-level Attacks at Range 400/410A
U.S. Marines, Philippine Marines, and Australian Soldiers Unite in Exercise Alon
I MEF Commanding General Succession of Command Ceremony
Reel: U.S. Marines and Australian Soldiers practice fast rope techniques
Phantom Menace|1st Medical Battalion Utilizes 3D Printing
Southern Jackaroo 23 (Social Media Reel)
MRF-D conducts breacher training
MRF-D conducts crisis response rehearsal
1st MARDIV Band performs at Disneyland for Independence Day
MRF-D, Australian Army observers call for close air support
MRF-D conducts non-combatant evacuation operations
Exercise Croix du Sud 2023
Recon Marines, Indonesian Korps Marinir participate in annual reconnaissance exercise
Hub, Spoke, Node: Delivering Combat Power Any Time, Any Place
11th MEU Dine Out
11th MEU annual gas chamber
13th MEU Cobra Gold 23 Non-Combatant Evacuation Operation
Fueled to Fight – CLR-17 Final Field Mess Evaluation
Year in Review: Celebrating 82 years of the Blue Diamond
VMM-161 Trains for Expeditionary Advanced Base Operations in the Bahamas
Faces of the Blue Diamond: Staff Sgt. Jessica Larsen
Reel: U.S. Marines breach, clear buildings
On the Drums at the Rose Parade
Teaser: I MEF, ESG-3 conclude Exercise Steel Knight 23
Influenced on the court: basketball leads to a career in the Marines
CLR-1 Participates in the First Ever Mental Fitness Obstacle Course
CLR-17 Field Mess Evaluation
I MEF: Any Clime, Any Place
1st Bn., 7th Marines conducts battalion field exercise
U.S. Marines participate in ceremony to mark 80th anniversary of Battle of Guadalcanal
Summer Fury 22: HMLA-267
80 years later, Marine remembers Guadalcanal


I Marine Expeditionary Force