Mezue nkebi ahịrịokwu a: Ndị Japan chọrọ iji ụgbọ mmiri wakpo Port Moresby, nke dị n'ebe Ọstrelia na-achị bụ́ New Guinea, ka ha nwee ike ịhapụ Ọstrelia. Na Mee 1942, ndị agha mmiri nke United States busoro ndị Japan agha n'Agha Oké Osimiri Coral ma kwụsị mwakpo ahụ. Agha nke Midway n'ọnwa June meriri ndị agha mmiri Japan nke ọma na ndị agha Japan malitere mwakpo ala na Moresby site n'ebe ugwu. N'agbata ọnwa Julaị na Nọvemba afọ 1942, ndị agha Ọstrelia busoro ndị Japan agha n'obodo ahụ.
Kokoda Track, n'ugwu dị na New Guinea. Agha nke Milne Bay n'August 1942 bụ mmeri mbụ ndị Allied meriri ndị agha ala Japan.