Mezue ahịrịokwu na-esonụ: Ozi ndị Japan zipụrụ na 9 Eprel 1942 gosiri na "Mgbasa RZP" megide Port Moresby ga-abụ mwakpo ọ bụghị mwakpo ikuku nke ga-ekewapụ Australia na America. Onye na-emebi koodu USN Rudy Fabian na FRUMEL gwara MacArthur onye "enweghị okwukwe" dịka ọ tụrụ anya na ebumnuche ga-abụ New Caledonia, yabụ Fabian kọwara usoro (JN-25) na-emebi koodu ma gosi ya onye isi ndị Japan nke jidere ozi na ebumnuche iji gbochie mmegharị ụgbọ mmiri ndị iro ma wakpo ụsọ oké osimiri ugwu nke Australia. N'ihi ya, e zigara otu ụgbọ mmiri ga-aga New Caledonia n'echi ya n'ọdụ ụgbọ mmiri Moresby. Na 23 Eprel Fabian gosiri MacArthur na IJN na-achịkọta nnukwu ike na Truk, ma na-eme atụmatụ ijide Tulagi. MacArthur nwetara ụgbọelu nyocha nke Australia iji "chọpụta" ndị agha mwakpo Port Moresby na 5 Mee, na-eduga na
Agha nke Oké Osimiri Coral (lee Central Bureau).