On Mon. 03 Nov 1941 Chief of the Japanese Naval General Staff Admiral.....

Chief of the Japanese Naval General Staff Admiral Osami Nagano approved the draft plan for the attack on Pearl Harbor, US Territory of Hawaii. On the other side of the international date line, Joseph Rochefort's cryptanalytic team of the US Navy in Pearl Harbor, Territory of Hawaii was realizing that the Japanese were inflating the amount of radio traffic.

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