Rubuta ci gaba don wannan sakin layi - A farkon watan Mayu 1942, Japan ta fara ayyukan kama Port Moresby ta hanyar kai hare-haren amphibious kuma ta haka ta yanke hanyoyin sadarwa da hanyoyin samar da kayayyaki tsakanin Amurka da Ostiraliya. An dakatar da mamayewar da aka shirya lokacin da rundunar sojan Allied, ta mai da hankali kan masu jigilar jiragen ruwa biyu na Amurka, suka yi yaƙi da sojojin ruwa na Japan zuwa wasan kwaikwayo a cikin Yaƙin Tekun Coral. Shirin na gaba na Japan, wanda aka karfafa shi ta hanyar Doolittle Raid da ya gabata, shi ne kwace Midway Atoll da kuma jan hankalin Amurkawa masu jigilar kaya zuwa yaƙi don a kawar da su; a matsayin karkatarwa, Japan za ta kuma aika da sojoji don mamaye tsibirin Aleutian a Alaska. A tsakiyar watan Mayu, Japan ta fara yakin Zhejiang-Jiangxi a kasar Sin, da nufin daukar fansa kan Sinawa wadanda suka taimaka wa matukan jirgin saman Amurka da suka tsira a cikin Doolittle Raid ta hanyar lalata sansanonin jiragen saman China da kuma fada da rukunin sojojin kasar Sin na 23 da na 32. A farkon watan Yuni, Japan ta kaddamar da ayyukanta, amma Amurkawa, bayan da suka karya ka'idojin jiragen ruwa na Japan a karshen watan Mayu, sun san cikakkun tsare-tsaren da kuma tsari na yakin, kuma sun yi amfani da wannan ilimin don cimma nasara mai nasara a Midway
a kan rundunar sojin ruwan Japan.