Kammala jumla mai zuwa: Ya kasance a cikin umurnin a lokacin
Japan ta mamaye tsibirin Gilbert a Betio, Tarawa, daga Satumba 1942 zuwa 22 ga Fabrairu 1943, bayan farmakin Amurka a tsibirin Makin. Saboda nisa tsakanin Kwajalein da Tarawa (mil 580), a ranar 15 ga Fabrairu 1943, an cire Tsibirin Gilbert, Tsibirin Ocean, da Nauru daga Rundunar Soji ta 6 a Kwajalein. An maye gurbin su a karkashin sabuwar runduna ta 3 ta Musamman tare da hedikwata a Betio, kuma Admiral ya maye gurbin Matsuo. Bayan rasa umarninsa, Matsuo ya yi seppuku a ranar 2 ga Mayu, 1943.