The 1st Marine Regiment of the U.S. Marines,” is based out of Camp Pendleton. This Combat Infantry Regiment has a storied history. On order, 1st Marine Regiment deploys as the Command Element (CE) for I Marine Expeditionary Force (MEF) 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. Past Deployments and combat service includes WORLD WAR II-Guadalcanal, Peleliu, Ngesebus, Okinawa, Korea, Vietnam, Iraq, and Afghanistan with distinction and unit honors.