5th Marine Expeditionary Brigade (United States)

The 5th Marine Expeditionary Brigade is a United States Marine Corps unit. When deployed, it serves as a Marine Air-Ground Task Force.

History
5th MEB first activated during World War I and served in France guarding supply lines and garrisons that were critical to supporting the 5th and 6th Marine Regiments during the allied defeat of the German army in the Meuse-Argonne Offensive.

In 1970, 5th MEB was active at Camp Pendleton in Camp San Mateo. 3rd Battalion 3rd Marine Regiment was part of 5th MEB then.

In 1990, the 5th MEB activated for the Gulf War and served in the Persian Gulf as part of an amphibious ready group. The amphibious ready group conducted an amphibious warfare maneuver from the sea called an amphibious demonstration as a deception operation.

2015
It was reactivated on 15 October 2015 at Naval Support Activity Bahrain. It was a redesignation of Command Element, Marine Forces Central Command Forward.