5th Marine Regiment (United States)

The 5th Marine Regiment is an infantry regiment of the United States Marine Corps based at Marine Corps Base Camp Pendleton, California. It is the most highly decorated regiment in the Marine Corps and falls under the command of the 1st Marine Division and the I Marine Expeditionary Force (I MEF).

Current Units

The Regiment comprises four infantry battalions and one headquarters company:

History

World War I

The unit was activated on June 8, 1917, in Philadelphia, Pennsylvania, as the 5th Regiment of Marines. They immediately deployed to France and were assigned to the 1st Infantry Division of the United States Army. Later that year, in October, they were reassigned to 4th Brigade of Marines under the 2nd Infantry Division.