Enemy submarines attacking in the Caribbean same convoy twice according to the U.S. Joint Intelligence Committee. Daily summary dated 15 August 1942

An item reported that enemy submarines attacked in the night of 12-13 August a convoy in the Windward Passage (see also summary No. 247) and attacked it again after daylight on 14 August of the north east Cuban coast. Three cargo ships were torpedoed of which 2 sunk. Of this convoy were 5 cargo ships torpedoed.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 248 dated 15 August 1942