Kammala wannan jumla: "Mutsuki" aji ya kafa 5th da 6th Destroyer Squadrons. "Mutsuki" da "Kisaragi" sun halarci Yaƙin Wake Island a farkon yaƙin, a lokacin da aka rasa "Kisaragi" saboda harin jirgin sama. Sauran jiragen ruwa goma sha ɗaya sun shiga cikin mamayewar Philippines da Netherlands East Indies. A cikin na gaba
Jirgin ruwan da ya tsira daga yakin tsibirin Solomon Islands ya fuskanci haɗari mai yawa yayin da ake jigilar kayayyaki cikin sauri a cikin <unk>Tokyo Express<unk> a cikin ƙoƙarin sake samar da garuruwan tsibirin. "Mutsuki", "Nagatsuki", "Kikuzuki", "Mikazuki" da "Mochizuki" sun ɓace saboda hare-haren iska a yaƙe-yaƙe daban-daban a Solomon Islands.