Chronologie rond VENONA

Dit is de tijdtabel rond VERONA, een project van de NSA. Het is na een procedure door de NSA openbaar gemaakt.

1 February 1943
Gene Grabeel begins VENONA at Arlington Hall.
November 1943
Lieutenant Richard Hallock makes first break into Soviet diplomatic cipher; break expanded by Frank Lewis.
During 1943
VENONA program expands; Captain F. Coudert and Major William B. S. Smith in charge.
November 1944
Break made in KGB cipher by Cecil Phillips, Genevieve Feinstein, Lucille Campbell.
Gouzenko defects; Elizabeth Bentley and Whittaker Chambers tell FBI about Soviet espionage in U.S.
May 1945
Military intelligence teams find Soviet codebooks in Saxony and Schleswig, Germany.
July-December 1946
Meredith Gardner begins to analytically reconstruct KGB codebook; translates a few messages including one about the atomic bomb.
30 August 1947
Meredith Gardner’s study of KGB covernames in the messages.
September 1947
Carter W. Clarke of G-2 advises S. Wesley Reynolds, FBI, of successes at Arlington Hall on KGB espionage messages.
19-20 October 1948
Robert J. Lamphere, FBI HQ, begins liaison with Meredith Gardner and great number of espionage cases opened.
Exploitation of VENONA exposes major KGB espionage agents such as Klaus Fuchs, Harry Gold, David Greenglass, Theodore Hall, William Perl, the Rosenbergs, Guy Burgess, Donald Maclean, Kim Philby, and Harry D. White.
An earlier KGB cryptosystem exploited; GRU messages attacked. More espionage agents identified over the next two decades.
CIA officially briefed on VENONA and begins to assist in counterintelligence work.
U.K. begins to exploit Naval GRU messages.
Hundreds of first-time translations of messages; many earlier translations reissued.
1 October 1980
VENONA ends.

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