LST-1010 was laid down on 22 February 1944 at Quincy, Mass., by the Bethlehem Steel Co.; launched on 29 March 1944; and commissioned on 25 April 1944.
During World War II, LST-1010 was assigned to the European theater and participated in the invasion of southern France in August 1944. She was then assigned to the Asiatic-Pacific theater and took part in the assault and occupation of Okinawa Gunto in May and June 1945. Following the war, the ship performed occupation duty in the Far East until mid-January 1946. LST-1010 was transferred to the United States Army on 4 April 1947 and returned to United States Navy custody on 1 March 1950. She was later transferred to the Republic of Korea Navy on 22 March 1955 where she served as Un Pong (LST-807).
LST-1010 earned two battle stars for World War II service.