American destroyer sunk enemy submarine off Key West, USA according to the U.S. Joint Intelligence Committee. Daily summary dated 2 March 1942

An item reported that an American destroyer claimed the sinking of an enemy submarine neat American Shoals Light off Key West, Florida, USA. Twelve hours earlier was there an American tanker sunk by a submarine. Search for a second submarine was until then without success.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 82 dated 2 March 1942.