Japanese naval force west of southern Luzon, Philippines according to the U.S. Joint Intelligence Committee. Daily summary dated 21 December 1941

An item referred tot M/A London reporting that a Japanese naval force west of southern Luzon, Philippines numbered 3 aircraft carriers, 2 battleships, 4 light cruisers, 10 submarines and 32 destroyers. The J.I.C. supplied other figures namely 1 battleship, 2 aircraft carriers, 9 light cruisers, 12 submarines and 32 destroyers.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 11 dated 21 December 1941.