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Ultra (cryptography) Ultra was the designation adopted by British military intelligence in June 1941 for wartime signals intelligence obtained by breaking high-level encrypted enemy radio and teleprinter communications at the Government Code and Cypher School (GC&CS) at Bletchley Park. [1] Ultra eventually became the standard designation among ...
Our Secret Weapon (1942–1943) is a CBS radio series created to counter Axis shortwave radio propaganda broadcasts during World War II.Writer Rex Stout, chairman of the Writers' War Board and representative of Freedom House, would rebut the most entertaining lies of the week.
United States Office of War Information. The United States Office of War Information (OWI) was a United States government agency created during World War II. The OWI operated from June 1942 until September 1945. Through radio broadcasts, newspapers, posters, photographs, films and other forms of media, the OWI was the connection between the ...
World War II cryptography. Cryptography was used extensively during World War II because of the importance of radio communication and the ease of radio interception. The nations involved fielded a plethora of code and cipher systems, many of the latter using rotor machines. As a result, the theoretical and practical aspects of cryptanalysis, or ...
The Radio Research Laboratory (RRL), located on the campus of Harvard University, was an 800-person secret research laboratory during World War II.Under the U.S. Office of Scientific Research and Development (OSRD), it was a spinoff of the Radiation Laboratory (Rad Lab) at MIT and set up to develop electronic countermeasures to enemy radars and communications, as well as electronic counter ...
Mail Call was an American radio program that entertained American soldiers from 1942 until 1945, during World War II. Lt. Col. Thomas A.H. Lewis (commander of the Armed Forces Radio Service) wrote in 1944, "The initial production of the Armed Forces Radio Service was 'Mail Call,' a morale-building half hour which brought famed performers to the microphone to sing and gag in the best American ...
Radio Oranje ([ˈraːdijoː ˌoːˈrɑn.jə]; Dutch: "Radio Orange") was a Dutch radio programme on the BBC European Service broadcast to the German-occupied Netherlands during World War II. It was transmitted from London and broadcast programmes of approximately 15 minutes. It consisted of brief commentaries on current affairs and political ...
The SCR-508 radio was a mobile Signal Corps Radio used by the U.S. Army during World War II, for short range ground communications. The SCR-508 series radio represented the Army's commitment to both FM and crystal tuning, and was used extensively by armor and mechanized units. The turret bustle of late series light and medium tanks was designed ...