Germany producing weekly 5 new submarines according to the U.S. Joint Intelligence Committee. Daily summary dated 25 February 1942

An item referred to rumors reported by M/A Stockholm, Sweden that German shipyards weekly produced 5 submarines.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. MR0423. U.S. Joint Intelligence Committee. Daily summary No. 77 dated 25 February 1942