increased its force strength Alaska Alaska Japanese occupation of two remote islands Aleutian Islands Aleutian Islands Japanese occupation of two remote islands Japanese occupation of two remote islands Japanese occupation of two remote islands Japanese occupation of two remote islands Japanese occupation of two remote islands Japanese invaded Alaska Aleutian Islands Japanese occupation of two remote islands Aleutian Islands occupation of Attu and Kiska Aleutian Islands Campaign occupation of Attu and Kiska Aleutian War campaign of the 1940s Aleutian Islands Japanese occupation of two remote islands