Enemy submarine attacked off Montara, California, USA according to the U.S. Joint Intelligence Committee. Daily summary dated 1 January 1942

An item reported that the US Navy with success an enemy submarine attacked about 4 miles off Montara, California. The J.I.C. commented that 08:00 o’clock the Navy Department could not confirm this.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 22 dated 1 January 1942