 Nyorera kupfuurira kweiyi ndima - Panguva yekurwiswa kwePearl Harbor, Isonami yakapiwa Destroyer Division 19 yeDesron 3 yeIJN 1st Fleet, uye yakanga yaendeswa kubva kuKure Naval District kuenda kuchiteshi cheSamah paHainan Island. Kubva musi wa4 Zvita 1941 kusvika musi wa30 Ndira 1942 Isonami yaive chikamu chekufambisa ngarava dzinorema,,, uye kubva kuSamah neCamranh Bay, French Indochina mukutsigira Malaya, Banka-Palembang neAnambas Islands. Musi wa 27 February, Isonami yakapiwa Operation Jkupinda muJava, uye Operation T kupinda muNorth Sumatra musi wa12 Kurume uye Operation D kupinda muAndaman Islands musi wa23 Kurume. Yakashanda basa rokurinda uye rokuperekedza kunze kwePort Blair panguva yokupamba kweJapan muIndian Ocean. Musi waApril 13-22 Isonami yakadzokera kuburikidza neSingapore neCamranh Bay kuKure Naval Arsenal, nokuda kwekuchengetedza. 