Military intelligence World War, 1939-1945 History 21 Secret service 13 Intelligence service 5 Intelligence officers 4 Armed Forces 3 more ... Campaigns 3 Cold War 3 Prisoners of war 3 Aerial operations, American 2 American 2 Anthropologists 2 Anthropology 2 Bombing, Aerial 2 Causes 2 Collaborationists 2 Electronic surveillance 2 Espionage 2 Espionage, British 2 German American soldiers 2 German Americans 2 Military participation 2 Naval operations, American 2 Naval operations, Japanese 2 Participation, German American 2 Participation, Japanese American 2 Science and state 2 Social conditions 2 War 2 less ...