 Four days later, she put to sea for the first of two voyages from the Philippines to Japan with occupation supplies, and on 28 October, she cleared for Portland, Oregon, from Hiro Wan.One more voyage was made from the west coast to the Far East, during which "Cepheus" carried cargo to Tientsin, China, before 15 February 1946, when the cargo transport left San Francisco astern, bound for New York City.Here she was decommissioned 22 May 1946, and returned to the Maritime Commission.