Laid down on 27 July 1942 by the Ingalls Shipbuilding Corporation of Pascagoula, Mississippi as AN-4; reclassified AP-109 on 1 May 1943; launched on 4 September 1943; sponsored by Mrs. Rivers J. Carstarphen; reclassified LSV-4 on 21 April 1944; completed by the Tampa Shipbuilding Company of Tampa, Florida; and commissioned on 22 February 1945 as Captain R. S. Bertschy in command.