At the outbreak of the Korean War, he commanded the Weapons Company, 1st Battalion, 6th Marines, Camp Lejeune. The half strength battalion was just back from the Mediterranean when it boarded a troop train west. It was redesignated 3rd Battalion, 1st Marines. They were ordered to South Korea in August 1950 and participated in the Inchon Landing that September. He continued in combat as weapons company commander during the initial phases of the war; and as a battalion operations officer and executive officer during the Chinese Spring Offensive.