Kammala wannan jumla: Komawa cikin aiki, "Massachusetts" ya bar Pearl Harbor a ranar 1 ga watan Agusta. Kasancewa tare da Task Force 38, ta goyi bayan dakarun da ke sauka a kusa da Leyte Gulf, kuma ta ba da kariya ga ƙungiyoyin aiki da ke kai hari ga jiragen ruwan yaƙin Japan a cikin Yaƙin Leyte Gulf, Okinawa, da Formosa. Tafiya zuwa Philippines, jirgin ya kare jiragen ruwa da sojojin Allied a lokacin yakin basasa na biyu na duniya.
Yaƙin Mindoro kuma ya kasance wani ɓangare na ƙarfin da ya buge Manila. "Massachusetts", tare da sauran TF 38, sun shiga cikin Typhoon Cobra, wanda ke da iska a kusa da. Ta ci gaba da aiki tare da TF 38 daga ranar 30 ga Disamba da 23 ga Janairu 1945; jiragen ruwa sun buge Formosa da Okinawa, sun ba da kariya ga wani hari na amphibious a kan Lingayen, kuma sun shiga cikin tekun Kudancin China don kai hari kan jiragen ruwa da filayen jirgin saman Japan.