LST-20 was laid down on 5 October 1942 at Pittsburgh, Pa., by the Dravo Corp.; launched on 15 February 1943; sponsored by Miss Anne B. Sylvester; and commissioned on 14 May 1943.
During World War II, LST-20 served in the Asiatic-Pacific theater and took part in the following operations :
Gilbert Islands operation—November and December 1943
Leyte landings—October 1944
Lingayen landings on Luzon—January 1945
Okinawa Gunto operation:
(a) Assault and occupation of Okinawa Gunto—April 1945
Following the war, LST-20 performed occupation duty in the Far East until early November 1945. She returned to the United States and was decommissioned on 3 April 1946. She was struck from the Navy list on 19 June 1946 and was transferred to the Maritime Administration on 8 October 1947 for disposal by scrapping.
LST-20 earned four battle stars for World War II