 Majuro Atoll had been secured 7 February, and "Prairie" arrived there the 13th, to remain at this advantageous point for mobile supply during the costly campaign for Tarawa.Departing Majuro 3 June, she steamed to Eniwetok, where she was while fighting progressed in the Marianas and Carolines.Reporting to Ulithi 8 October, "Prairie" was there at war's end and remained until 1 October 1945, when she steamed to Tokyo Bay.