As part of Commodore J. B. McGovern's Transport Squadron 16, she transported troops from the Philippines to Japan and was present in Tokyo Bay with 1,135 troops of the 1st Cavalry when the Japanese surrendered 2 September. Returning to her home port, San Francisco, 31 October, "Lenawee" made two "Magic Carpet" voyages to the western Pacific before decommissioning at Stockton, California, 3 August 1946, and entering the Reserve Fleet.