Bombers sunk Japanese cruiser according to the U.S. Joint Intelligence Committee. Daily summary dated 20 January 1942

An item reported that six bombers stationed at the Del Monte area of Mindanao, Philippines sunk a Japanese cruiser off Jolo.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 41 dated 20 January 1942