 New Jersey ranged far and wide from 30 December 1944 to 25 January 1945 on her last cruise as Admiral Halsey 's flagship . She guarded the carriers in their strikes on Formosa , Okinawa , and Luzon , on the coast of Indo @-@ China , Hong Kong , Swatow and Amoy , and again on Formosa and Okinawa . At Ulithi 27 January Admiral Halsey lowered his flag in New Jersey , but it was replaced two days later by that of Rear Admiral Oscar C. Badger II commanding Battleship Division 7 . 
