LST-623 was laid down on 17 March 1944 at Seneca, III., by the Chicago Bridge & Iron Co.; launched on 12 June 1944; sponsored by Mrs. J. K. Esler; and commissioned on 29 June 1944.
During World War II, LST-623 was assigned to the Asiatic-Pacific theater and participated in the following operations:
Leyte landings—October through November 1944
Lingayen Gulf landing—January 1945
Palawan Island landings—March 1945
Following the war, LST-623 performed occupation duty in the Far East and saw service in China until mid-February 1946. She was transferred to the Military Sea Transportation Service on 31 March 1952 where she operated as USNS LST-623.
LST-623 earned three battle stars for World War II