Rubuta ci gaba don wannan sakin layi - Tsoron barazanar daga Daular Japan a lokacin Yaƙin Duniya na II, Amurka da ke tsaka tsaki a lokacin ta fara ƙarfafa Dutch Harbor a 1940, wanda ya haifar da ginin Dutch Harbor Naval Operating Base da Fort Mears wanda aka kammala gaba ɗaya a watan Satumbar 1941 watanni uku kafin harin ba zato ba tsammani a kan Pearl Harbor wanda ya sa Amurka ta shiga yaƙin. A ranar 3 ga Yuni, 1942, sojojin sama na Japan sun kai wa garin hari a yakin Dutch Harbor
, wani ɓangare na Kamfanin Aleutian Islands. Bayan harin da kuma mamayar Japan na Kiska da Attu, kusan dukkanin mazaunan tsibirin Amaknak sun kwashe. Da yawa an tsare su, a cikin mummunan yanayi, a sansanonin da ke kudu maso gabashin Alaska na tsawon lokacin yakin; adadi mai yawa na fursunoni sun mutu yayin da suke kurkuku.