Building of merchant ships in the United Kingdom continued according to the U.S. Joint Intelligence Committee. Daily summary dated 25 January 1942

An item reported that in December 1941 16 merchant ships with a total gross tonnage of 104,390 tons were launched in the United Kingdom and another 15 with a total gross tonnage of 100,408 tons completed.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 46 dated 25 January 1942