Japan interested in US movements in the Aleutian Islands according to the U.S. Joint Intelligence Committee. Daily summary dated 6 March 1942

An item reported that the Japanese were more and more interested in the US observation forces and patrols in the Aleutian Islands.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 86 dated 6 March 1942.