Estimated strength of the Japanese Southern Fleet Philippine force according to the U.S. Joint Intelligence Committee. Daily summary dated 16 December 1941

An item referred to Spenavo, London reported the estimated strength of the Japanese Southern Fleet Philippine force on 2 battleships, 5 aircraft carriers, 4 light cruisers, 32 destroyers and 10 submarines.

Source

Map Room Papers (Roosevelt Administration) mr0422a. U.S. Joint Intelligence Committee. Daily summary No. 6 Dated 16 December 1941.