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The new system proved very difficult to maintain, however, requiring constant support from contractor representatives and a 40-foot (12 m) trailer full of test equipment. Later on, the V-SCAN system, which gave 240-degree direction-finding coverage centered around the nose and tail, was added to the RU-21Ds.
Klaus Fuchs, exposed in 1950, is considered to have been the most valuable of the atomic spies during the Manhattan Project.. Cold War espionage describes the intelligence gathering activities during the Cold War (c. 1947–1991) between the Western allies (primarily the US and Western Europe) and the Eastern Bloc (primarily the Soviet Union and allied countries of the Warsaw Pact). [1]
A numbers station is a shortwave radio station characterized by broadcasts of formatted numbers, which are believed to be addressed to intelligence officers operating in foreign countries. [1] Most identified stations use speech synthesis to vocalize numbers, although digital modes such as phase-shift keying and frequency-shift keying , as well ...
The European Parliament stated in its report that the term "ECHELON" occurred in a number of contexts, but that the evidence presented indicated it was a signals-intelligence collection system capable of interception and content-inspection of telephone calls, fax, e-mail and other data-traffic globally. [58]
[2] Events, such as the Pearl Harbor bombing, and the rise of Cold War tensions lead to the development of the CIA in 1947. [3] In the same year, the CIA, was made aware of a possible Russian mobilisation of Eastern Europe. [2] This was discovered by British intelligence services who provided the information to the US government. [2]
During World War II and the early years of the Cold War, the Venona project was a source of information on Soviet intelligence-gathering directed at the Western military powers. Although unknown to the public, and even to Presidents Franklin D. Roosevelt and Harry S. Truman , these programs were of importance concerning crucial events of the ...
Pavel Fitin, the 34-year-old chief of the KGB First Directorate, was directed to seek American intelligence concerning Hitler's plans for the war in Russia; secret war aims of London and Washington, particularly with regard to planning for Operation Overlord, the second front in Europe; any indications the Western Allies might be willing to ...
Pages in category "Cold War intelligence operations" The following 23 pages are in this category, out of 23 total. This list may not reflect recent changes.