Operated on contract from the Maritime Commission, SS "Union Victory" carried military cargoes during the last months of World War II in the Pacific Ocean; the initial year of the European Occupation; and, four years later, the Korean War. After Korea she returned to commercial transport, then entered the Maritime Administration’s National Defense Reserve Fleet. "Union Victory" was delivered to the Maritime Commission, 8 June 1945 transferred under a General Agency Agreement to Alaska Transport Company. On 28 June 1946 transferred for operation to Black Diamond SS Company. Operation transferred to the South Atlantic SS Company on 21 October 1948. She was laid up in the National Defense Reserve Fleet in Beaumont Texas on 12 November 1948. On 27 July 1950 she was put back into service and transferred to the Mississippi Shipping Company. Transferred operation to American Mail Line Ltd. on 19 April 1952.