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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 Sprach-Morse Generator, the machine mistaken for a young girl speaking in German. Swedish Rhapsody was a Polish numbers station, operated by the Ministry of Public Security (later Office of State Protection and Foreign Intelligence Agency) that used AM broadcasting and operated between the late 1950s and 1998. [2]
THROWOFF/2: Albanian ethnic agent/radio operator employed by Italian Navy Intelligence/CIA in several early Cold War covert operations against Albania. Was captured, operated radio under communist control to lure CIA agents to capture/death, tried in 1954, death sentence commuted, freed after 25 years. CIA paid his son $40,000 in 1996. [77]
The information gathered became part of an intelligence exchange between U.S. military intelligence services and Iraq during the Iran–Iraq War. [ 104 ] Exercise Eager Light – In October 2012, more than 70 U.S. 1st Armored Division personnel deployed to Jordan to conduct Exercise Eager Light, a 30-day command post exercise that focuses on ...
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During World War II, the Signal Intelligence Service (SIS) was created to intercept and decipher the communications of the Axis powers. [27] When the war ended, the SIS was reorganized as the Army Security Agency (ASA), and it was placed under the leadership of the Director of Military Intelligence. [27]
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]
The VIC cipher can be regarded as the evolutionary pinnacle of the Nihilist cipher family.. The VIC cipher has several important integrated components, including mod 10 chain addition, a lagged Fibonacci generator (a recursive formula used to generate a sequence of pseudorandom digits), a straddling checkerboard, and a disrupted double transposition.