LST-803 was laid down on 14 September 1944 at Jeffersonville, Ind., by the Jeffersonville Boat and Machine Co.; launched on 23 October 1944; sponsored by Mrs. Katie Bryant; and commissioned on 17 November 1944, Lt. Henry M. Parsons, USNR, in command.
During World War II, LST-803 was assigned to the Asiatic-Pacific theater and participated in the assault and occupation of Okinawa Gunto from April through June 1945. LST-803 performed occupation duty in the Far East until mid-May 1947. Following the war, LST-803 saw service in the Marianas as a utility vessel until decommissioned on 26 March 1949. Recommissioned on 15 November 1950, she saw extensive service during the Korean War.
On 1 July 1955, LST-803 was redesignated Hampden County (LST-803) (q.v.) after a county in Massachusetts. Following further service in the Pacific, she was once again decommissioned on 2 January 1958. Hampden County (LST-803) was struck from the Navy list on 17 April 1958 and sunk as a target on 26 September 1958.
LST-803 earned one battle star for World War II service and five for the Korean War.