"On 1 January 1944, as a lieutenant general, he was sworn in as the 18th Commandant of the Marine Corps. On 4 April 1945, he was appointed general, with date of rank from 21 March 1945, the first Marine officer on active duty to attain four-star rank. For outstanding service as Commandant of the Marine Corps from 1 January 1944 to 30 June 1946, Gen Vandergrift was awarded the Distinguished Service Medal. He left active service on 31 December 1947 and was placed on the retired list 1 April 1949. General Vandegrift died 8 May 1973 at the National Naval Medical Center, Bethesda, Maryland, after a long illness. He was 86. His interment was 10 May 1973 at Arlington National Cemetery."