Kunyange zvakadaro, kuti adzivirire migwagwa yokufambisa nayo ngarava uye fariro dzinokosha, Mambo akatumira vatakuri vengarava veSouth Pacific USS "Lexington" muna January 1942 uye USS "Yorktown" mwedzi wakatevera wacho. Mwedzi wakatevera iwoyo, mukuvamba kwaMarch, akazivisa zano rake kuMutungamiriri weNyika Roosevelt neJoint Chiefs of Staff rokubata Hawaii, kutsigira Australia, uye kufamba kuchamhembe kubva kunzvimbo yeAllied muNew Hebrides kurwisa maJapan. Zvisinei, akanga ane ganhuriro yokushandisa bedzi zvipikirwa zvamazuva ano zvesimba romunhu kuPacific, ipapo pauto reHondo 41 000 nemaMarine 15 000. Chiratidzo chokurwisa, kutsungirira, uye kubudirira kwaAdmiral King ndechokuti, pasinei ne"Europe Yokutanga" inokosha, anenge mauto ose eU.S. akatumirwa mhiri kwemakungwa mukati memwedzi mitanhatu yokutanga yehondo akaenda kuPacific uye kuti kurwisa kwokutanga kweAmerica kwehondo kwaiva paGuadalcanal panzvimbo peNorth Africa.