American submarine sunk several Japanese ships in the vicinity of Formosa according to the U.S. Joint Intelligence Committee. Daily summary dated 12 March 1942

An item reported that a American submarine sank 3 Japanese cargo ships and 1 passenger-cargo ship in the vicinity of Formosa [Taiwan].

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 92 dated 12 March 1942