Enemy submarines sighted in Strait of Juan de Fuca and near Aleutian Islands according to the U.S. Joint Intelligence Committee. Daily summary dated 14 December 1941

An item referred to the CNO reporting that in the past several days enemy submarines were reported in the Strait of Juan de Fuca and near the Aleutian Islands.

Source

Map Room Papers (Roosevelt Administration) mr0422a. U.S. Joint Intelligence Committee. Daily summary No. 4 Dated 14 December 1941.