The 1st Marine Regiment is an infantry regiment of the United States Marine Corps based at Marine Corps Base Camp Pendleton, California. The regiment, sometimes known as "Inchon", falls under the command of the 1st Marine Division and the I Marine Expeditionary Force. 1st Marine Regiment deploys as the Ground Combat Element (GCE) for the 1st Marines Expeditionary Brigade (MEB) in support of crisis response operations and provides mission capable battalions in support of enduring and emerging operational requirements in order to meet operational commitments across the range of military operations.
Active Years 1913 – 1916; 1917 – 22; 1922 – 24; 1925 – 31; 1941 – 49; 1950 – present
