LST-53 was laid down on 24 September 1943 at Dravo Corp., Neville Island, Pennsylvania. Launched on 6 November 1943 and commissioned on 21 December 1943. She was in ferrying service to New Orleans to undergo fitting out from 5 December to 21 December 1943.[2]
During World War II, LST-53 was assigned to the Europe-Africa-Middle East theater and later the Asiatic-Pacific theater. She took part in the invasion of Normandy from 6 to 25 June 1944 and the invasion of Southern France from 15 August to 25 September 1944.
She then participated in the assault and occupation of Okinawa from 17 to 30 June 1945.
LST-53 was decommissioned on 22 January 1946 and was assigned to Commander Naval Forces Far East (COMNAVFE) Shipping Control Authority for Japan (SCAJAP) in which she was designated Q021. She was put into the Reserve Fleet following the end of her service there and later loaned to South Korea.
She was struck from the Navy Register.
ROKS Chang Su was acquired by the South Korean Navy on 11 May 1955 and was commissioned on an unknown date.
She was decommissioned on 18 April 1959 and her fate is unknown.
LST-53 have earned the following awards: