Mezue ahịrịokwu na-esonụ: Mgbe e merisịrị ha n'oge Agha nke Oké Osimiri Coral na mbido May, a manyere ndị agha Japan na-awakpo ụgbọ mmiri na-aga Port Moresby ka ha laghachi azụ, ebe na 4 June ndị Japan kpebiri
Ndị agha mmiri US meriri ha na Midway. N'agbanyeghi nsogbu ndị a n'agbanyeghi na ndị agha Japan nọ na Rabaul na Lae yiri ka ha na-akwado mwakpo megide Port Moresby site na ugwu Papua, site na Buna na Kokoda. N'oge a, naanị otu ndị Allied nọ na South West Pacific Area ka na-arụsi ọrụ ike na ndị Japan bụ Kanga Force, nke NGVR na 1st na &lt;a href="2/5th%20Commando%20Squadron%20%28Australia%29"&gt;2/5th Independent Companies&lt;/a&gt;, na-alụ ọgụ ndị agha na-alụ ọgụ megide ndị Japan gburugburu Lae na Salamaua. N'ọnwa Juun n'afọ 1942, Morris nyere ndị PIB ọrụ inyocha mpaghara Awala <unk> Tufi<unk>Ioma. Iji mezuo ihe ndị Japan chọrọ ime, ndị Allies mere atụmatụ iwu ebe ụgbọelu ga-esi na-efe efe na mpaghara Buna <unk> Dobodura iji mee ka ọrụ ndị a na-eme megide Rabaul dị mfe ma chebe ya iji gbochie ọganihu ọ bụla site n'akụkụ ahụ. Ka ọnọdụ ahụ na-akawanye njọ, a na-eziga PIB, nke nwere ike nke naanị ndị ọrụ 30 na ndị ikom 280 ka ha na-agagharị n'ụsọ oké osimiri ugwu nke Papua ma mesịa gbasaa n'ọtụtụ ebe. Ya na ndị otu Battalion nke 39 (na-erughị otu ụlọ ọrụ), na ndị ọrụ enyemaka na ahụike, ha bụ akụkụ nke Maroubra Force.