Rubuta ci gaba ga wannan sakin layi - Daga 15 zuwa 19 ga Fabrairu, 1944, "Montpelier" ya rufe saukar amphibious a tsibirin Green Islands a Bismarck Archipelago. A watan Maris, ta farautar jiragen ruwa a kudancin Truk kuma ta shiga cikin mamayewar Emirau
s. A ranar 20 ga Mayu, 1944, "Montpelier" ya sami rauni kaɗan daga dawowar wuta lokacin da ita da wasu jiragen ruwa biyu masu haske, tare da masu hallaka guda takwas, suka yi ruwan bama-bamai a kan tsibirin Shortland, Poporang, da Magusaiai a cikin Shortlands. A ranar 1 ga Oktoba, 1944, Sojojin Ruwa na Musamman na Amurka (SATFOR), kuma sun fara harbi Saipan a ranar 14 ga Yuni don tallafawa mamayar tsibirin Mariana. Ta shiga TF 58 kuma ta shiga cikin yakin da aka yi a cikin tekun Philippine daga 19 zuwa 21 Yuni. A lokacin yakin, rukunin jiragen sama na Japan sun kusan hallaka. "Montpelier" ya koma Marianas, kuma ya ci gaba da harbi Saipan, Tinian, da Guam. Ta bar Marianas a ranar 2 ga watan Agusta don gyarawa a Amurka.