I Marine Expeditionary Force
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Ready. Engaged. Faithful.
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. 

 

1st LAR Unitas 2021
1st Marine Division
Oct. 27, 2021 | 2:44
1st LAR Unitas 2021
1st Marine Division
Oct. 27, 2021 | 2:44
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1st LAR Unitas 2021
3/4 Always Training Always Ready
Resilience Seminar
STRATMOBEX
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
Introduction to Super Squad 21
Introduction to Super Squad 21
Career Retention Commanding Generals Delegation of Authority
U.S. Marines Conduct Air Delivery Operations
An EOTG Series: TRAP Course
Vaccines Still Prevent The Spread Of COVID-19
Message to the Brigade of Midshipmen from 1st MARDIV
Covid Vaccine and the Second Shot
35XX First-Term Reenlistment Incentives
Range 800 Opening
Vaccines Can Protect Against the Delta Variant
Why I Reenlisted - Cpl. Smith
Super Squad 21 Teaser
1st Marine Division Band Performs "Waltzing Matilda"
I MIG Change of Command
REENLIST TODAY!
How to Schedule a “Shot Ex”
Why We Chose To Vaccinate Our Children
1/5 Return to Water Operations Part 1: Crawl
1/5 Return to Water Operations Part 1: Crawl
Return to water operations
Vaccine Benefits: What's In It For Me?
En Route Care
COVID-19 VACCINE FAQ
Like Father, Like Son: Sgt. Trevon Wade
Like Father, Like Son: MGySgt (Ret.) Steve Payne
Like Father, Like Son: 1st Lt. Stefawn Payne
1st Tank Battalion Deactivation Ceremony
Bronze Star Awards Ceremony
I MEF/MCI West Navy Marine Corps Relief Society
2/11 Fitness Seminar
Results:
Category: IMEF
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MARINE CORPS BASE CAMP PENDLETON, Calif. – Sgt. Maj. Bradley Kasal, right, sergeant major, I Marine Expeditionary Force, thanks retired Gen. Peter Pace, former Chairman of the Joint Chiefs of Staff, during an E-9 symposium at Camp Pendleton April 8, 2016. Pace was the guest speaker for the event, and led participants on a guided discussion. During his speech, Pace spoke about the strong relationship between a commander, his senior enlisted advisor, and the responsibilities senior enlisted Marines have to keep their commanders true. (U.S. Marine Corps photo by Sgt. Emmanuel Ramos/Released) - MARINE CORPS BASE CAMP PENDLETON, Calif. – Sgt. Maj. Bradley Kasal, right, sergeant major, I Marine Expeditionary Force, thanks retired Gen. Peter Pace, former Chairman of the Joint Chiefs of Staff, during an E-9 symposium at Camp Pendleton April 8, 2016. Pace was the guest speaker for the event, and led participants on a guided discussion. During his speech, Pace spoke about the strong relationship between a commander, his senior enlisted advisor, and the responsibilities senior enlisted Marines have to keep their commanders true. (U.S. Marine Corps photo by Sgt. Emmanuel Ramos/Released)

MARINE CORPS BASE CAMP PENDLETON, Calif. – Chief Petty Officer Soniya Stoddard, left, a chief hospital corpsman with 1st Medical Battalion, 1st Marine Logistics Group, and (ret.) Master Chief Petty Officer Thomas Dye, right, cut a birthday cake as part of a dedication ceremony of Camp Pendleton’s ‘Anchor Up Club’ as a Chiefs Mess to the North County Chief Petty Officer Association on April 1, 2016, at Camp Pendleton. Marines with I Marine Expeditionary Force Headquarters Group dedicated the club in celebration of the 123rd birthday of chief petty officers throughout the Navy. A Chiefs Mess is a lounge and living quarters area typically designated for chief petty officers aboard boats, ships, and Naval Air Stations. (U.S. Marine Corps photo by Cpl. Angel Serna/Released) - MARINE CORPS BASE CAMP PENDLETON, Calif. – Chief Petty Officer Soniya Stoddard, left, a chief hospital corpsman with 1st Medical Battalion, 1st Marine Logistics Group, and (ret.) Master Chief Petty Officer Thomas Dye, right, cut a birthday cake as part of a dedication ceremony of Camp Pendleton’s ‘Anchor Up Club’ as a Chiefs Mess to the North County Chief Petty Officer Association on April 1, 2016, at Camp Pendleton. Marines with I Marine Expeditionary Force Headquarters Group dedicated the club in celebration of the 123rd birthday of chief petty officers throughout the Navy. A Chiefs Mess is a lounge and living quarters area typically designated for chief petty officers aboard boats, ships, and Naval Air Stations. (U.S. Marine Corps photo by Cpl. Angel Serna/Released)

MARINE CORPS BASE CAMP PENDLETON, Calif. - Staff Sgt. Albert Macklin, a battery local security chief with Battery Q, 5th Battalion, 11th Marine Regiment, I Marine Expeditionary Force and New Orleans native, helps coordinate 360-degree security during Spring Fire Exercise at Camp Pendleton March 31, 2016. During the combined-arms training exercise, Macklin and other Marines helped coordinate where all security posts were, along with securing the various parts of the range in accordance with where the battery was firing. (U.S. Marine Corps Photo by Cpl. Demetrius Morgan/RELEASED) - MARINE CORPS BASE CAMP PENDLETON, Calif. - Staff Sgt. Albert Macklin, a battery local security chief with Battery Q, 5th Battalion, 11th Marine Regiment, I Marine Expeditionary Force and New Orleans native, helps coordinate 360-degree security during Spring Fire Exercise at Camp Pendleton March 31, 2016. During the combined-arms training exercise, Macklin and other Marines helped coordinate where all security posts were, along with securing the various parts of the range in accordance with where the battery was firing. (U.S. Marine Corps Photo by Cpl. Demetrius Morgan/RELEASED)

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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Sgt. Maj. Terrence C. Whitcomb
Sergeant Major, I Marine Expeditionary Force

Sergeant Major Whitcomb began Marine Corps Recruit Training on 14 September 1993 at Marine Corps Recruit Depot, San Diego, California with Company C, 1st Recruit Training Battalion.  He was meritoriously promoted to Private First Class and graduated Recruit Training on 10 December 1993. Following graduation from Recruit Training, Private First

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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