Japanese flying boat attacked an American submarine near Alaska according to the U.S. Joint Intelligence Committee. Daily summary dated 12 August 1942

An item reported that on 9 August a Japanese flying boat attacked without success an American submarine near Tanga Island, Alaska.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 245 dated 12 August 1942.