 On 15 February 1945 "PT-105" was transferred to MTB Squadron 18, under the command of Lt. Edward Macauley III, and saw action in New Guinea; at Manus Island in the Admiralties; and at Morotai in the Halmaheras.She was also based for a time at Kana Kopa, New Guinea, and in San Pedro Bay, Philippines, but saw no action there.The vessel was placed out of service on 1 November 1945, and later stripped and scrapped at Samar, Philippines.