 Nyorai kupfuurira kweiyi ndima - Musi wa 14 Chikunguru 1942, Submarine Division 33 yakagoverwazve ku5th Fleet nokuda kwebasa muAleutian Islands, uko Aleutian Islands campaignkwakanga kwatanga muna June 1942 nokutora kweJapan Attu neKiska. Pana 16:00 musi 24 July 1942, Ro-63, Ro-64, uye Ro-68 akabva Yokosuka vakananga Paramushiro kuchamhembe Kurile Islands, A chirwere chezvokudya chepfu pakati vashandi vake vakamanikidza Ro-64 kudzoka, asi Ro-63 uye Ro-68 vakaenderera mberi, vachisvika Paramushiro musi 29 July 1942. Vakaendazve mugungwa musi wa 31 Chikunguru 1942 vakananga kuKiska, vachibva vasvika ikoko musi wa 4 Nyamavhuvhu 1942. Pashure pacho, dzakanga dzakavakirwa ikoko pamwe chete nezvikepe zvomugungwa, Ro-61, Ro-62,, uye. 