Enemy submarine supply vessel active around 500 miles southeast of Freetown, African west coast according to the U.S. Joint Intelligence Committee. Daily summary dated 24 April 1942

An item reported that recently there were strong indications of a submarine supply vessel active around 500 miles southeast of Freetown, African west coast.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 135 dated 24 April 1942