Allen was promoted to the rank of colonel in August 1945 and ordered back to the Pacific area.
He served with 2nd Marine Division under Major General LeRoy P. Hunt during the occupation of Japan.
Allen was transferred to Pearl Harbor in July 1946 and assumed duties as logistics officer, Service Command, Fleet Marine Force, Pacific.

In August 1947, Allen assumed command of Marine Corps Depot of Supplies Barstow, California and served in this capacity until he was ordered to Far East, during the ongoing Korean War in June 1951.

He joined 1st Marine Division under Major General Gerald C. Thomas and served as Divisional Supply Officer during the Battle of the Punchbowl in August–September 1951.
He remained with the division until December of that year and received the Legion of Merit with Combat "V" for his service in Korea.

Allen returned to the United States in May 1952 and assumed duty as supply officer at Camp Pendleton under Major General Oliver P. Smith.
He was transferred to the Headquarters Marine Corps in Washington, D.C., where he headed the Operations Branch of the Supply Department.
Allen was promoted to the rank of brigadier general in February 1955 and assumed duties as executive officer of the Supply Department and head of the Supply Department.

He was appointed Assistant Quartermaster General of the Marine Corps and deputy to Quartermaster Major generals Ion M. Bethel and Roy M. Gulick in September 1957 and was co-responsible for the support of development, production, acquisition, and sustainment of general supply, Mortuary Affairs, subsistences, petroleum and water, material and distribution management during peace and war to provide combat power to the U.S. Marine Corps units.

Allen was named director, Marksmanship Training Division at Headquarters Marine Corps in March 1959 and resumed his former post as Assistant Quartermaster General of the Marine Corps in September of that year.
He finally succeeded Roy M. Gulick as Quartermaster General of the Marine Corps on January 1, 1960, and served in this capacity until June 30, 1963, when he retired from the Marine Corps after 34 years of active service.
Allen was promoted to the rank of colonel in August 1945 and ordered back to the Pacific area. He served with 2nd Marine Division under Major General LeRoy P. Hunt during the occupation of Japan. Allen was transferred to Pearl Harbor in July 1946 and assumed duties as logistics officer, Service Command, Fleet Marine Force, Pacific.
In August 1947, Allen assumed command of Marine Corps Depot of Supplies Barstow, California and served in this capacity until he was ordered to Far East, during the ongoing Korean War in June 1951.
He joined 1st Marine Division under Major General Gerald C. Thomas and served as Divisional Supply Officer during the Battle of the Punchbowl in August–September 1951. He remained with the division until December of that year and received the Legion of Merit with Combat "V" for his service in Korea.
Allen returned to the United States in May 1952 and assumed duty as supply officer at Camp Pendleton under Major General Oliver P. Smith. He was transferred to the Headquarters Marine Corps in Washington, D.C., where he headed the Operations Branch of the Supply Department. Allen was promoted to the rank of brigadier general in February 1955 and assumed duties as executive officer of the Supply Department and head of the Supply Department.
He was appointed Assistant Quartermaster General of the Marine Corps and deputy to Quartermaster Major generals Ion M. Bethel and Roy M. Gulick in September 1957 and was co-responsible for the support of development, production, acquisition, and sustainment of general supply, Mortuary Affairs, subsistences, petroleum and water, material and distribution management during peace and war to provide combat power to the U.S. Marine Corps units.
Allen was named director, Marksmanship Training Division at Headquarters Marine Corps in March 1959 and resumed his former post as Assistant Quartermaster General of the Marine Corps in September of that year. He finally succeeded Roy M. Gulick as Quartermaster General of the Marine Corps on January 1, 1960, and served in this capacity until June 30, 1963, when he retired from the Marine Corps after 34 years of active service.
Chester R. Allen