She rejoined her escort division at Morotai on 23 October 1944 and commenced antisubmarine patrols in the waters surrounding the Molucca Islands.

On 15 November 1944, following a brief stay at Mios Woendi for boiler repairs, Machias steamed with her escort division for the Philippine Islands.

On 15 July 1945, EK-4 departed Cold Bay in company with nine of her sister ships – EK-1 (ex-Charlottesville), EK-2 (ex-Long Beach), EK-3 (ex-Belfast), EK-5 (ex-San Pedro), EK-6 (ex-Glendale), EK-7 (ex-Sandusky), EK-8 (ex-Coronado), EK-9 (ex-Allentown), and EK-10 (ex-USS Ogden (PF-39)) – bound for Petropavlovsk-Kamchatsky in the Soviet Union.

[5] In February 1946, the United States began negotiations for the return of ships loaned to the Soviet Union for use during World War II.

[6] Reverting to her original name, Machias remained at Yokosuka in a caretaker status in the Pacific Reserve Fleet until 14 January 1953, when the United States loaned her to Japan.

Decommissioned on 31 March 1966, Nara was redesignated YTE-3 that day and entered non-commissioned service as a non-self-propelled pierside training ship.