Loaded with mail and cargo, she steamed to San Francisco from 18 June to 6 July; thence transported additional troops to the Philippines.

Arriving Leyte Gulf 2 August, she served as receiving ship until mid-August when she proceeded to Manila Bay to stage for the Allied occupation of Japan.

Assigned to Joint Task Force 1, Gasconade during the next 3 months prepared for Operation Crossroads, a program of nuclear tests in the Marshall Islands.

Departing Pearl Harbor 18 May in company with Transport Division 92, she reached Bikini Atoll, Marshalls, 30 May.

In December she was taken in tow at Kwajalein for transfer to the United States, where she arrived San Francisco 27 January 1947.