Exhibit 3 1044 CONGRESSIONAL INVESTIGATION PEARL HARBOR ATTACK Office of the Chief of Naval Operations Cp16-F-2 (SC)A16-3/EF37 Serial No. 09716 Feb. 1, 1941 CONFIDENTIAL 10465 From: Chief of Naval Operations To: Commander in Chief Pacific Fleet Subject: Rumored Japanese attack on Pearl Harbor. 1. The following is forwarded for your information. Under date of 27 January the American Ambassador at Tokyo telegraphed the State Department to the following effect: "The Peruvian Minister has informed a member of my staff that he has heard from many sources, including a Japanese source, that in the event of trouble breaking out between the United States and Japan, the Japanese intend to make a surprise attack against Pearl Harbor with all of their strength and employing all of their equipment. The Peruvian Minister considered the rumors fantastic. Nevertheless he considered them of sufficient importance to convey this information to a member of my staff." 2. The Division of Naval Intelligence places no credence in these rumors. Furthermore, based on known date regarding the preset disposition and employment of Japanese naval and army forces, no move against Pearl Harbor appears imminent or planned for in the foreseeable future. ________ Op-16-F Jules James By direction _________ Op-16-F-2 Dictated Jan. 31, 1941 " by Lieut. Comdr. A.H.McCollum Typed by H.E.Morse CC - Com 14 10466 (SC) A16-3/EF37