 With the end of hostilities she was laid up in the Maritime Commission Reserve Fleet at Puget Sound, Olympia, Washington, and renamed "Petrolite" in 1946.In November 1956 the tanker was activated by the Maritime Commission for charter to the Military Sea Transportation Service as USNS "Petrolite" (T–AO–164).She operated under contract with a civilian crew until 5 September 1957, when she was struck from the Navy List and again laid up with the Maritime Administration Reserve Fleet at Olympia.