 Rambai muchinyora ndima ino - The Papua Infantry Battalion PIB pamwe chete ne1st and 2nd New Guinea Infantry Battalions vakabatanidzwa kuti vaumbe Pacific Islands Regiment munaNovember 1944. 3rd ne4th New Guinea Infantry Battalions vakabatana nehurumende pakugadzirwa kwavo muna 1945, kunyange zvazvo 4 NGIB yakakurumidza kuparadzwa, uye 5th New Guinea Infantry Battalion - kunyange zvazvo yakapiwa mvumo - haina kumutswa. Yakagadzwa paCamp Diddy, pedyo neNadzab, uye kudhonza vashandi kubva kuPIRs depot battalion, 3 NGIB yakapedza kudzidziswa ikoko kusvikira muna August 1945. Yakagadzirwa munguva yehondo, bhati haina kutora chikamu mumakambani eAllied muNew Guinea, kunyange zvazvo vashomanana vevamwe nhengo dzayo vakaona basa ne2 NGIB panguva yeAitape Wewak campaign., ichitambura kuvadziko dzinoverengeka. Pazuva rokupedzisira rehondo, 3 NGIB yakaziviswa kushanda vakagadzirira uye vakatanga kutamira New Britain, apo vakaita garrison mabasa akapoteredza Rabaul muna pakarepo pashure pehondo nguva. 