I Marine Expeditionary Force
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Official U.S. Marine Corps Website

Mission

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. 

 

U.S. Marines participate in ceremony to mark 80th anniversary of Battle of Guadalcanal
1st Marine Division
Aug. 12, 2022 | 1:47
U.S. Marines participate in ceremony to mark 80th anniversary of Battle of Guadalcanal
1st Marine Division
Aug. 12, 2022 | 1:47
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U.S. Marines participate in ceremony to mark 80th anniversary of Battle of Guadalcanal
Red Ex: Australia Edition
MRF-D 22: Darrandarra
MRF-D 22: U.S. Marines, Australian Army, and Japan Ground Self-Defence Force Personnel Participate in Exercise Southern Jackaroo
MRF-D 22: We're Gonna Get You out of Here
Exercise Garnet Rattler Teaser
Exercise Crocodile Response: Helping Hands
Operation Firebreak
1st Supply Bn Participate In HEAT Trainer
Admiral Aquilino, Welcome to Country
Harrier Sunset
1st Marine Division Colors Rededication Ceremony
1st Supply Bn MCMAP
I MIG: Pride and Purpose
1st Marine Logistics Group Campaign Order LOE:3 Preparing for the Future
1st Marine Logistics Group Campaign Order LOE:2 Operational Level Logistics
1st Marine Logistics Group Campaign Order LOE:1 Warfighting Capability
Humble Beginnings
Brahma Challenge
1st Marine Logistics Group Campaign Order Announcement
Extreme Readiness
Steel Knight 22
Making Martial Arts Instructors
U.S. Marines Conduct External Lift Operations
1st Landing Support Battalion Steel Knight 22
Underwater Egress Trainer
LEON Platoon Conducts Littoral Dive Missions
1st LAR Unitas 2021
3/4 Always Training Always Ready
Resilience Seminar
STRATMOBEX
UNITAS 2021
An EOTG Series: Boat Raid Course
I MIG Marines attend Innovation Bootcamp
Red Patch
13th MEU UET
7th Engineer Support Battalion Squad Competition
7th Engineer Support Battalion Squad Competition
11th Marines FIREX: The King of Battle
Mechanized Raid Course
Recon Ex: Working Hand in Hand
1st Medical Battalion En Route Care
Super Squad 21
1st LSB Conducts Parachute Operations
Why I Reenlisted: Sgt. Asia Schmitz
Chapter 3: Readiness
Covid-19 Q&A with CDR Gilstrap
Career Retention Commanding Generals Delegation of Authority
Introduction to Super Squad 21
Introduction to Super Squad 21
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I MEF Leaders

George W. Smith Jr.
Commanding General, I Marine Expeditionary Force

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Brig. Gen. Ryan S. “Chick” Rideout
Deputy Commanding General, I Marine Expeditionary Force

Brigadier General Rideout assumed duties as Deputy Commanding General, I Marine Expeditionary Force in July 2021. His previous assignment was serving as Director, Military Advisor Group, Combined Joint Task Force - Operation INHERENT RESOLVE based in Baghdad, Iraq from June of 2020 to June 2021. Fleet Marine Force assignments include: Commanding

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Colonel Brian Rideout
Chief of Staff, I Marine Expeditionary Force

Colonel Rideout holds a baccalaureate degree in Psychology from Ohio Wesleyan University, a Master of Science in Information Technology Management from the Naval Postgraduate School, a Master of Military Studies from Marine Corps University and a Master of Arts in National Security and Strategic Studies from the Naval War College.  He is a graduate

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Sergeant Major Peter A. Siaw
Command Senior Enlisted Leader, I Marine Expeditionary Force

Sergeant Major Peter A. Siaw was born in Chicago, Illinois.  He reported to Marine Corps Recruit Depot (MCRD) San Diego, California in April 1993 for recruit training. He subsequently completed Marine Combat Training at Camp Pendleton, California, and Personnel Administration School at Camp Lejeune, North Carolina.  He has attended all required

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CMDCM(FMF/SW/AW/IW) Toby A. Ruiz
Command Master Chief

 Though a native of Montebello, California, Master Chief Ruiz calls Monte Vista, Colorado home.  He enlisted in the Navy in March 1991, reported to basic training at RTC Great Lakes, Illinois and completed Signalman “A” School at NTC Orlando, Florida.  After serving two tours as a collateral-duty Command Career Counselor in 2000 and 2003, he became

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I Marine Expeditionary Force