Large number of German submarines off Ivory Coast sighted according to the U.S. Joint Intelligence Committee Daily summary dated 9 May 1942

An item reported that a trans-Atlantic ferry pilot and other crew members sighted on 5 May of the Ivory Coast 25 enemy submarines within a distance of 100 miles. Two were described as large, five of medium size and the remaining of small size. Lacking other sources no more details were available.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 150 dated 9 May 1942