I Marine Expeditionary Force

I Marine Expeditionary Force
I MEF insignia
Active	8 November 1969 – present
Country	United States of America
Branch	United States Marine Corps
Type	Marine Air-Ground Task Force
Role	Expeditionary combat force
Part of	U.S. Marine Forces Pacific
Garrison/HQ	MCB Camp Pendleton, California, U.S.
Engagements	Persian Gulf War Operation Desert Storm Global War on Terrorism Operation Enduring Freedom Iraq War Operation Iraqi Freedom Invasion of Iraq First Battle of Fallujah Operation Vigilant Resolve Second Battle of Fallujah Operation Phantom Fury
Commanders
Current commander	LtGen L. A. Craparotta, USMC
Notable commanders	Gen Joseph F. Dunford, Jr., Gen Anthony Zinni, Gen Michael Hagee, Gen James T. Conway, Gen James Mattis, Gen John F. Sattler

Persian Gulf War

Global War on Terrorism

Iraq War

The I Marine Expeditionary Force ("I" pronounced "One") is a Marine Air Ground Task Force (MAGTF) of the United States Marine Corps primarily composed of the 1st Marine Division, 3rd Marine Aircraft Wing, and 1st Marine Logistics Group. It is based at Marine Corps Base Camp Pendleton.

I Marine Expeditionary Force is the largest of the three MEFs in the Fleet Marine Force and is often referred to as the "Warfighting MEF" for its consistent involvement and contributions in major armed conflicts.

Among U.S. Marines, I MEF is pronounced as "eye MEF"

When directed, I MEF deploys and is employed as a Marine Air Ground Task Force (MAGTF) in support of Combatant Commander (COCOM) requirements for contingency response or Major Theater War; with appropriate augmentation, serves as the core element of a Joint Task Force (JTF); prepares and deploys combat ready MAGTF’s to support COCOM presence and crisis response; and supports service and COCOM initiatives as required.

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