Venona


The U.S. Army's Signal Intelligence Service, the precursor to the National Security Agency, began a secret program in February 1943 later codenamed VENONA

The mission of this small program was to examine and exploit Soviet diplomatic communications but after the program began, the message traffic included espionage efforts as well.

Although it took almost two years before American cryptologists were able to break the KGB encryption, the information gained through these transactions provided U.S. leadership insight into Soviet intentions and treasonous activities of government employees until the program was canceled in 1980.

The VENONA files are most famous for exposing Julius (code named LIBERAL) and Ethel Rosenberg and help give indisputable evidence of their involvement with the Soviet spy ring.

The first of six public releases of translated VENONA messages was made in July 1995 and included 49 messages about the Soviets' efforts to gain information on the U.S. atomic bomb research and the Manhattan Project. Over the course of five more releases, all of the approximately 3,000 VENONA translations were made public.

ImageTitle
 22APR_LEASE_HOTEL_ROOMS.PDFInstructions to lease hotel rooms for LAVRENT'EV, RODIONOV, ARKAD'EV, ARUTINYaN, ShADRIN and others 22 April (Release 5)
 17JAN_ENCIPHER.PDFInstructions to encipher a special number at the end of telegrams
 10APR_INST_TO_CANBERRA.PDFInstructions to Canberra regarding Russian born British subject 10 April (Release 5)
 13MAR_KRANIDOVA.PDFInstructions regarding KRANIDOVA BUROVA and ZOLOTUKhINA
 24AUG_UNITED_NATIONS_PERSONNEL.PDFInstructions regarding enquiries to be made about United Nations organization personnel 24 August (Release 5)
 4MAY_UN_PERSONNEL.PDFInstructions regarding enquiries to be made about United Nations Organization Personnel
 7MAY_SOVIET_NAVAL_UNIFORMS.PDFInstructions re: Soviet naval uniforms 7 May 1943 (Release 4)
 27MAY_CONDUCT_COWORKERS.PDFInstructions on the conduct of coworkers 27 May (Release 5)
 21AUG_ILLEGAL_RESIDENCE.PDFInstructions on setting up illegal residencies 21 August 1943 (Release 5)
 20OCT_SCOPE_OF_WORK.PDFInstructions on scope of work: Use of "TEKhNIK", recall of "FED" 20 October (Release 5)
 12SEP_BIG_HOUSE.PDFInstructions of contacts with felow countrymen following the dissolutions of the "Big House" 12 September 1943 (Release 5)
 15MAR_INSTRUCTIONS_FROM_MOSCOW.PDFInstructions from Moscow have been followed 15 March (Release 5)
 21SEP_MIKOLAJCSYK_GROUP.PDFInstructions from London to the Mikolajcsyk group 21 September (Release 5)
 14APR_COMINTERN.PDFInstructions from COMINTERN personalities George Dimitron and Dolores Ibarruri
 15MAY_CANDIDATES_EUROPE.PDFInstructions for selections of candidates in Europe 15 May 1942 (Release 2)
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