I Marine Expeditionary Force

Definition/Scope: I Marine Expeditionary Force, I MEF, when directed, will deploy 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); prepare and deploy combat ready MAGTF's to support COCOM presence and crisis response; and support service and COCOM initiatives as required. The I MEF (pronounced as first) is a MAGTF of the USMC primarily composed of the 1st Marine Division, 3rd Marine Aircraft Wing, and 1st Marine Logistics Group. They are based out of Camp Pendleton.

Acronym:

I MEF

Broader Terms:

Marine Air-Ground Task Force
Marine Expeditionary Force
US Marine Corps

Narrower Terms:

11th Marine Expeditionary Unit
13th Marine Expeditionary Unit
15th Marine Expeditionary Unit
1st MAR DIV
1st Marine Division
1st Marine Logistics Group
3rd Marine Aircraft Wing
Marine Aircraft Group 46

Related Terms:

Camp Pendleton
II Marine Expeditionary Force
III Marine Expeditionary Force
Marine Forces Pacific
MNF West
United States Marine Corps Forces Command