Rubuta ci gaba don wannan sakin layi - Amincewar Jafananci game da ikon su na samun nasara cikin sauri yana nufin cewa sun yi watsi da wuraren gyaran jiragen ruwa na Pearl Harbor, gonakin tankunan mai, sansanin jirgin ruwa na karkashin ruwa, da kuma tsohon ginin hedkwatar. Dukkanin wadannan manufofi an cire su daga jerin Genda, duk da haka sun tabbatar da cewa sun fi muhimmanci fiye da kowane jirgin ruwa na Amurka a yakin basasa a Pacific. Tsira da ɗakunan gyare-gyare da ɗakunan ajiya na man fetur ya ba Pearl Harbor damar ci gaba da tallafawa kayan aiki ga ayyukan Sojojin Ruwa na Amurka, kamar Doolittle Raid da Battles of Coral Sea da Midway
Ka yi haƙuri. Jiragen ruwa ne suka hana jiragen ruwa masu nauyi na Imperial Navy na Japan kuma suka kawo tattalin arzikin Japan ga kusan tsayawa ta hanyar gurgunta shigo da mai da albarkatun kasa: a ƙarshen 1942, adadin albarkatun da aka shigo da su ya ragu da rabi, "zuwa tan miliyan goma masu ban tsoro", yayin da man fetur "kusan ya tsaya gaba ɗaya". A ƙarshe, ginshikin Tsohon Ginin Gwamnati shi ne gida na rukunin cryptanalytic wanda ya ba da gudummawa sosai ga kwanton bauna na Midway da nasarar Sojan Ruwa.