Japanese submarines patrolling in the Aleutian area, Alaska according to the U.S. Joint Intelligence Committee. Daily summary dated 6 August 1942

An item reported that Japanese submarines seemed to patrol especially to the south of the Fox and Andreanof Island groups in the Aleutian area, Alaska.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No.239 dated 6 August 1942.