LST-666 was laid down on 16 February 1944 at Ambridge, Pa., by the American Bridge Co.; launched on 24 April 1944; sponsored by Mrs. A. I. Hay; and commissioned on 16 May 1944.
During World War II, LST-666 was assigned to the Asiatic-Pacific theater and participated in the following operations:
Morotai landings—September 1944
Leyte landings—October and November 1944
Lingayen Gulf landing—January 1945
Zambales-Subic Bay—January 1945
Consolidation of the southern Philippines:
(a) Palawan Island landings—March 1945
(b) Visayan Island landings—March and April 1945
Balikpapan operation—June and July 1945
Following the war, LST-666 performed occupation duty in the Far East until early January 1946. She returned to the United States and was decommissioned on 20 June 1946 and struck from the Navy list on 31 July that same year. On 26 September 1947, the ship was sold to the Sun Shipbuilding & Dry Dock Co., of Chester, Pa.
LST-666 earned six battle stars for World War II service.