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. 

 

STRATMOBEX
1st Marine Division
Oct. 6, 2021 | 1:24
STRATMOBEX
1st Marine Division
Oct. 6, 2021 | 1:24
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STRATMOBEX
An EOTG Series: Boat Raid Course
I MIG Marines attend Innovation Bootcamp
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
2/5 Fox Company conducts Stand-Down to Address Extremism in the Ranks
In Any Time and Place
Artemis Program
Artemis We Care
1st Marine Division 80th Anniversary
Results:
Category: 1stMARDIV
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Maj. Gen. Daniel J. O'Donohue presents the Naval Chaplaincy Excellence award to Petty Officer 3rd Class Dawaylon Farr at Camp Pendleton, Feb. 23, 2016. The ceremony recognized Lt. Michael Kennedy and Petty Officer 3rd Class Dawaylon Farr for going above and beyond the call of duty to provide spiritual guidance and renewed faith to Marines and sailors serving I Marine Expeditionary Force. O’Donohue, the commanding general of 1st Marine Division, was a guest speaker and presented awards to the recipients. Kennedy is a chaplain with 1st Battalion, 1st Marine Regiment, 1st Mar. Div. Farr is a religious program specialist with 1st Bn., 4th Marines. (U.S. Marine Corps photo by Pvt. Robert Bliss/Released) - Maj. Gen. Daniel J. O'Donohue presents the Naval Chaplaincy Excellence award to Petty Officer 3rd Class Dawaylon Farr at Camp Pendleton, Feb. 23, 2016. The ceremony recognized Lt. Michael Kennedy and Petty Officer 3rd Class Dawaylon Farr for going above and beyond the call of duty to provide spiritual guidance and renewed faith to Marines and sailors serving I Marine Expeditionary Force. O’Donohue, the commanding general of 1st Marine Division, was a guest speaker and presented awards to the recipients. Kennedy is a chaplain with 1st Battalion, 1st Marine Regiment, 1st Mar. Div. Farr is a religious program specialist with 1st Bn., 4th Marines. (U.S. Marine Corps photo by Pvt. Robert Bliss/Released)

Lance Cpl. Faustino J. Camilo prepares to load a M231 primer into the M777 Howitzer cannon during a battery-level fire exercise at Camp Pendleton, Calif., Feb. 10, 2016. The battery participated in a fire exercise in preparation for their upcoming deployment with the 31st Marine Expeditionary Unit. This exercise was the first time the battery used the Digital Firing Control System, a computer that shows grid coordinates of targets and accompanying information. This system is important because it provides a faster response time than using iron sights to fire the howitzer. Camilo, from Brunswick, Ga., is an artillery cannoneer with Battery F, 2nd Battalion, 11th Marine Regiment, 1st Marine Division. (U.S. Marine Corps Photo by Lance Cpl. Justin E. Bowles) - Lance Cpl. Faustino J. Camilo prepares to load a M231 primer into the M777 Howitzer cannon during a battery-level fire exercise at Camp Pendleton, Calif., Feb. 10, 2016. The battery participated in a fire exercise in preparation for their upcoming deployment with the 31st Marine Expeditionary Unit. This exercise was the first time the battery used the Digital Firing Control System, a computer that shows grid coordinates of targets and accompanying information. This system is important because it provides a faster response time than using iron sights to fire the howitzer. Camilo, from Brunswick, Ga., is an artillery cannoneer with Battery F, 2nd Battalion, 11th Marine Regiment, 1st Marine Division. (U.S. Marine Corps Photo by Lance Cpl. Justin E. Bowles)

Marines offload from a CH-53E Super Stallion transport helicopter to retrieve a simulated injured pilot during a tactical recovery of aircraft and personnel, or TRAP, training scenario at Camp Pendleton, Calif., Feb. 10, 2016. In preparation for their upcoming deployment with the 31st Marine Expeditionary Unit, the TRAP scenario offers the Marines of 2nd Battalion, 4th Marine Regiment, 1st Marine Division, a secondary skillset above their own primary duties as a 81mm mortar platoon, refining their ability to efficiently conduct a recovery mission. (U.S. Marine Corps photo by Lance Cpl. Devan K. Gowans/Released) - Marines offload from a CH-53E Super Stallion transport helicopter to retrieve a simulated injured pilot during a tactical recovery of aircraft and personnel, or TRAP, training scenario at Camp Pendleton, Calif., Feb. 10, 2016. In preparation for their upcoming deployment with the 31st Marine Expeditionary Unit, the TRAP scenario offers the Marines of 2nd Battalion, 4th Marine Regiment, 1st Marine Division, a secondary skillset above their own primary duties as a 81mm mortar platoon, refining their ability to efficiently conduct a recovery mission. (U.S. Marine Corps photo by Lance Cpl. Devan K. Gowans/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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