Nyora kupfuurira kweiyi ndima - Muna Kurume, akadzokera kumaodzanyemba kunharaunda yakapoteredza Buna kugadzirira mabasa ekutora mahombekombe akasara ekuchamhembe kweNew Guinea. Munguva yekurwiswa kweHollandia, yekutanga yematanho mashanu ekusvetuka kune Vogelkop, "Welles" yakapiwa kuTask Group 77.2 (TG 77.2), Central Attack Group iyo yakaisa kurwiswa kwayo kuHumboldt Bay musi wa22 Kubvumbi. Inenge mwedzi gare gare, musi waMay 18, akatsigira kumhara paWakde Island uye paSarmi muNew Guinea mainland. Kubva ipapo, ngarava yehondo yakaenderera mberi nechisaririra chaGeneral Douglas MacArthur kuenda kuBiak Island
apo akapa rutsigiro pfuti panguva landings uye kusimbisa akavhiyiwa kubva May 27 kusvika June 2. Munguva iyoyo, rakaparadza ngarava dzeJapan dzinoverengeka, rakatambudza mauto epasi omuvengi, rakanyaradza bhatiri riri pamhenderekedzo yegungwa kana maviri uye rakabatsira kudzinga kurwisa kwendege kunoverengeka.