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.
Broader Terms:Marine Air-Ground Task Force
Narrower Terms:11th Marine Expeditionary Unit
Related Terms:Camp Pendleton