Kammala jumla mai zuwa: A lokacin da aka kai hari kan Pearl Harbor a ranar 7 ga Disamba, 1941, "Asanagi" an sanya shi zuwa Destroyer Division 29 na Destroyer Squadron 6 na 4th Fleet, wanda aka kafa a Truk. Jirgin ya kāre tsibirin Gilbert
An sanya shi a cikin rundunar mamayewa ta biyu ta Wake Island a ranar 23 ga Disamba.