The ship, one of 109 Maritime Commission N-type coastal cargo ships built, was laid down under Maritime Commission contract by Penn-Jersey Shipbuilding Corporation, Camden, New Jersey, 22 May 1943 as MV William Nott, a Maritime Commission type N3-M-A1 cargo vessel. The ship was launched 31 October 1943; sponsored by Mrs. Clementine C. O’Brien; acquired by the U.S. Navy 6 November 1943 for service as Mira (AK-84). However, she was never commissioned and was transferred to the Army 7 November 1943. Her name was struck from the Navy list 16 November 1943.