LST-999 was laid down on 8 April 1944 at the Boston Navy Yard; launched on 14 May 1944; sponsored by Miss Teresa C. McDevitt; and commissioned on 30 May 1944, Ens. V. L. Warner in command.
During World War II, LST-999 was assigned to the Asiatic-Pacific theater and participated in the following operations:
Leyte landings—October 1944
Mindanao Island landings—April 1945
Assault and occupation of Okinawa Gunto—March through June 1945
LST-999 returned to the United States and was decommissioned on 29 July 1946 and struck from the Navy list on 25 September that same year. On 3 November 1947, the ship was sold to Dulien Steel Products, Inc., Seattle, Wash., for scrapping.
LST-999 earned three battle stars for World War II service.