 Kupfuurira kweiyi ndima - Pakupera kwa1943 uye pakuvamba kwa1944, mauto eAustralia neeU.S. akanga atanga miitiro yokurwisa muNew Guinea, apedza kumira mafungu okufambira mberi kwechiJapan mukati mokurwa muna 1942. Muna September 1943, vaAllies vakanga vawana Lae naNadzabnevanokwira panguva imwe chete kubva kuDivision yechi7 neyechi9. Nokukurumidza pashure pacho, 9th Division yakanga yasvika paHuon Peninsula uye yakanga yawana Finschhafen uye yakatanga kuchenesa mukati. Pakazosvika Gumiguru 1943, chinangwa chinotevera chevaAustralia chaiva Shaggy Ridge, nzvimbo dzakakwirira dziri munzira yomunyika kubva kuDumpu kuenda kuMadang, dzaichengetwa nemauto eJapan, achitsigirwa nevakuru vezvombo uye mainjiniya. Sechikamu chekufambira mberi uku, 7th Division yakafamba nemupata weRamu ichienda kuFinisterre Range, panguva iyo kwakakwikwidzana nekubatana kudiki, kusanganisira avo vakapoteredza Johns Knoll neTrevors Knoll, sezvo maJapan akadzokera kunzvimbo yavo huru yekudzivirira, iyo yaive yakatenderedza Kankiryo Saddle neShaggy Ridge. 