Military intelligence Cryptography 7 World War, 1939-1945 6 History 5 Electronic intelligence 4 Confidential communications 2 Deception (Military science) 2 Intelligence service 2 Korean War, 1950-1953 2 Security, International 2 Allied Forces 1 Anthropologists 1 Anthropology 1 Armed Forces 1 Business & Economics 1 Business intelligence 1 Cold War 1 Command and control systems 1 Commandement militaire 1 Communications, Military 1 Cyber intelligence (Computer security) 1 Cyberspace operations (Military science) 1 Decision making 1 Eavesdropping 1 Economic History 1 Economic aspects 1 Electronic surveillance 1 Espionage 1 Espionage, Israeli 1 Geheimdienst 1