The study of secret intelligence and espionage during World War II, including codebreaking and propaganda.
Intelligence agencies: The various intelligence agencies involved in World War II such as the British MI6, American OSS, German Abwehr, Japanese Kempeitai, and so on. The creation, organization, and function of these agencies are important to understand the intelligence operations of the war.
Codebreaking: The role of codebreaking in World War II and the importance of cracking Enigma, the German's cipher machine, and other codes.
Cryptography: The study of codes and ciphers used in secret communication is crucial to understand the techniques and intricacies of codebreaking.
Spycraft: The art of espionage and spy techniques used during World War II are significant to understanding the intelligence operations during the war.
Humint: Intelligence gathered through human sources, including covert agents, informants, and double agents.
Signal intelligence: Intelligence gathered through the interception of electronic signals, including radio transmissions, and telegraph messages.
Imagery intelligence: Intelligence gathered through aerial and satellite imagery, including photographs and maps.
Deception and disinformation: The employment of deception and disinformation tactics are crucial to understanding the counterintelligence operations during World War II.
Intelligence analysis: The process of analyzing intelligence to produce useful outcomes and forecasts is an essential aspect of intelligence gathering and operations.
Propaganda: The use of media and public messaging to influence opinions and behavior is a significant tactic in intelligence operations during the war.
Special Operations Executive: The British secret organization created with the mission of conducting sabotage and subversion behind enemy lines.
Ultra: The codename for intelligence obtained from decrypting German coded messages.
Operation Mincemeat: A deception operation that misled the Germans into believing a landing would occur in Greece rather than Sicily.
The Manhattan Project: The secret development of atomic weapons by the United States during World War II, is relevant in understanding the intelligence operations involving the project and the role of intelligence gathering in the atomic weapons program.
Double agents: A significant tactic used in intelligence operations to mislead opponents by recruiting spies to work against their country.
OSS X-2: The American counterintelligence unit created to fight German espionage in North and South America.
Operation Fortitude: A deception operation by the Allies in preparation for D-Day to mislead the Germans about the landings location.
Enigma machine: The cipher machine used by the Germans in World War II, which was critical in codebreaking operations.
Bletchley Park: The secret British intelligence center where codebreaking operations took place during World War II.
Special Operations Executive F Section: The French branch of the British SOE that focused on espionage, sabotage, and subversion in German-occupied France.
Military Intelligence: The collection and analysis of information related to military operations, capabilities, intentions, and vulnerabilities of enemy forces.
Signals Intelligence (SIGINT): The interception and analysis of electronic communications, including having code-breaking capabilities during the war, such as the Ultra program.
Human Intelligence (HUMINT): The gathering of information through the use of espionage, deception, and other covert methods, including the use of spies, agents and double-agents.
Imagery Intelligence (IMINT): The collection and analysis of visual intelligence, including photographs and other imagery, which can provide valuable insights into enemy operations and capabilities.
Open Source Intelligence (OSINT): The collection and analysis of information from publicly available sources, including newspapers, journals, and other publications.
Counterintelligence: The activities undertaken to prevent and detect enemy intelligence agents from successfully acquiring and collecting intelligence against friendly forces.
Economic Intelligence: The collection and analysis of information on the economic strengths and weaknesses of enemy countries, including their industrial capabilities and resources.
Psychological Warfare: The use of propaganda, leaflets, and other messaging techniques to influence the attitudes and opinions of enemies, friendly forces, and civilians.
Geospatial Intelligence: The collection and analysis of information related to geographical features, including terrain, weather, and other environmental factors that can impact military operations.
Cartography and Map Making: The production and analysis of maps for military purposes, including mapping out enemy territory and strategic locations.