US Army bombers attacking with succes Japanese warships at Davoa, Philippines according to the U.S. Joint Intelligence Committee. Daily summary dated 6 January 1942

An item reported that in an attack by 8 US Army bombers on Davao, Philippines three direct hits on a Japanese battleship were scored, one of their destroyers sunk and other enemy vessels in the bay also hit.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 27 dated 6 January 1942