Later that day, "Bang" headed for Hawaii and arrived at Pearl Harbor on 5 December for refit. Following a restful holiday period, the submarine departed Oahu on 2 January 1945 and set a course for Saipan. There, on 15 January, she joined with , , and and sailed for a patrol area in the East China and Yellow Seas. Bad weather and a scarcity of targets denied "Bang" opportunities to attack any enemy shipping before she departed the area on 19 February, without any kills. She arrived at Guam on the 24th for refit alongside "Proteus".