Clearing Norfolk, Virginia, 23 September 1944, Chiwaukum sailed to load oil at Aruba, Netherlands West Indies, and reached Espiritu Santo, New Hebrides, 25 November.
She stood out of Espiritu Santo 2 December for the New Guinea area where she operated as a gasoline tanker until 18 January 1945 when she reported for similar duty in the Philippines.
Departing Samar, Philippine Islands, 12 December 1945, Chiwaukum arrived at San Francisco, California, 9 February.
Chiwaukum was decommissioned 31 May 1946 and transferred to Turkey 10 May 1948 and renamed TCG Akpınar.
Chiwaukum’s crew was eligible for the following medals: This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.