Contact made with enemy submarine in the Florida Straits according to the U.S. Joint Intelligence Committee. Daily summary dated 21 December 1941

An item referred to OPNAV reporting in the past week an uncertain contact with an enemy submarine made in the Florida Straits.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 11 dated 21 December 1941.