 Jasper T. Acuff's At-Sea-Refueling Group that made the perilous run through Surigao Strait into the East China Sea to refuel Admiral William F. Halsey's 3rd Fleet/TF 38 during its raids on the Indochinese and China coasts.The ship also supported the invasions of Iwo Jima and Okinawa, narrowly escaping damage from suicide air attacks at Kerama Retto, on 16 April 1945.At the end of the Okinawa operation in June, "Monongahela" steamed to San Francisco for a much needed overhaul which was still in progress when hostilities ceased on 15 August.