Post-war she was acquired by the U.S. Army as USAT Private John R. Towle until the 1950s when she was assigned to the U.S. Navy's Military Sea Transportation Service for various duties, including runs to Antarctica's McMurdo Sound.

Private John R. Towle (AK-240) was laid down, under U.S. Maritime Commission contract, as Appleton Victory (MCV hull 162) by the Oregon Shipbuilding Corporation, Portland, Oregon, 9 December 1944; launched 19 January 1945; sponsored by Mrs. John Goodland, Jr. She was delivered to the Maritime Commission, thence to the American Mail Line for operation, 23 March 1945.

On 20 January 1957, when delivering supplies, the then master of the vessel Capt John C Nissen-Wiis helped commemorate the opening of New Zealand's Scott's Base together with Sir Edmund Hillary and other dignitaries at Pram Point, Antarctica.

During July 1974 Towle sustained ice damage to her hull off of Hamilton Inlet Labrador, Canada, and was assisted by the icebreaker USCGC Edisto (WAGB-284).

On 25 August 1980 Private John R. Towle was returned to the U.S. Maritime Administration and laid up in the National Defense Reserve Fleet, James River Group, Lee Hall, Virginia.