Unexpected strong Japanese naval force in the Japanese Mandates according to the U.S. Joint Intelligence Committee. Daily summary dated 15 January 1942

An item reported that new information revealed that the Japanese naval force in the Japanese Mandates was stronger as first believed and could even include 2 aircraft carriers.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary dated 15 January 1942 No. 36.