Evaluations of the world situation as a whole and the Pacific in particular were being done by various offices and groups during 1941. The files here are the some principal intelligence reports of that year.
Pacific Fleet Intelligence Bulletin No. 45-41.
"Organization of the Japanese Fleet."
This file is interesting as it gives the reader a feel for the size of the Imperial Japanese Fleet in 1941. Compare this with the Pacific Fleet components, listed elsewhere.
Daily communication intelligence summaries
for the period 1 November 1941 through 6 December 1941.
These were for the use of Commander in Chief, U.S. Pacific Fleet, at Pearl Harbor.
Military Intelligency Estimates Prepared by G-2, Washington, 1 July-7 December 1941.
These were for the use of the President and officials in D.C.
Fortnightly Summary of Current National Situations
for Nov. 1, Nov. 15, and Dec. 1, summaries of the world situation on all continents.
(All files are from the Pearl Harbor Hearings.)