Ka kammala wannan jumla: An tabbatar da ra'ayin Mitchell game da raunin jirgin yaƙi ga harin iska a ƙarƙashin "yanayin yaƙi" bayan mutuwarsa. An fara nuna ikon iska a matsayin mai yanke hukunci game da babban jirgi a cikin yanayin yaƙi yayin Yaƙin Basasa na Spain: a ranar 29 ga Mayu, 1937, 'Yan kunar bakin wake na Gwamnatin Jamhuriyar Republican sun kai hari kuma sun lalata jirgin ruwan yakin Jamus. Wannan sabon bangare na yakin basasa ya riga ya kai hari kan
Taranto da Pearl Harbor ta hanyar kyakkyawan gefe.