 Lae yakadonha pakati paGunyana, nekukurumidza kupfuura zvaitarisirwa neAllies, sezvo mauto kubva ku7th Division akapinda mutaundi kubva kumadokero, asi chikamu chikuru chevarwi veJapan chakakwanisa kutiza mukati menyika vakananga kuHuon Peninsula. Nokukurumidza pashure pacho, 223rd vakatora rutivi mune imwe amphibious landing kuchamhembe kweFinschhafen, pamhenderekedzo yakasarudzwa Scarlet Beach neAllies. Pakati pa 22 Gunyana na 9 Zvita, 223rd vakatora chikamu muHuon Peninsula mushandirapamwe, kutora chikamu mune zviitiko zvakakosha kutenderedza Sattelberg neWareo sezvo maAustralia akaenderera mukati. Pakuvamba muna 1944, battalion yacho yakabatanidzwa mukufambira mberi kuenda kuSiosezvo vaJapan vakanga vachidzokera shure vakanga vachiteverwa kuchamhembe. Kubatanidzwa kwavo kwakanga kwakaganhurirwa zvikurukuru kumabasa ekufambisa, uye hapana hondo dzinokosha dzakarwiwa pamberi pe9th Division yakadzorerwa kubva kuNew Guinea uye yakadzoserwa kuAustralia kuzorora muna February 1944. 