Intelligence and Cryptanalytic: Activities of the Japanese During World War II

by J.W. Bennett, J.B. Spitzer, W.A. Hebert

This book is U.S. National Archives document SRH-245, The Japanese Intelligence System, MIS/WDGS, dated September 1945. The organization, methods, and effectiveness of Japanese intelligence are explored. The successes (and failures) of the Japanese to break the cryptographic systems of the Chinese, Russians, British, American, and others are detailed. The Japanese were able to read a number of Allied cryptographic systems.

145 pages, Hardcover

First published April 1, 1986