HST 540 Lecture Notes - Lecture 9: Signal Corps (United States Army), Central Intelligence Agency, William F. Friedman
6 Dec 2017
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Document Summary
The americans focus on protecting the philippines because it is a very important threshold for entering into the asian markets. The americans believe that it is impossible for the japanese to attack pearl harbour, but they are not imaginative to have the japanese to attack them there. The japanese attacking the americans at pearl harbour was a very big surprise cause at the time it seemed impossible. This attack is so secret that the japanese embassy in america was not even told about this. The japanese effectively delay the americans from discovering japanese codes. First in command in the attack of pearl harbour. Second in command in the attack of pearl harbour. Since closing black chamber, they stop listening to japanese. *americans eventually move towards one central intelligence agency. Coding system for the japanese as a global form of communication.
