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The '''Venona project''' intercepted codes passed among agents of the [[Communism|communist]] [[Soviet Union]], and attempted to decrypt them.  This was a project by the [[United States of America|United States]] and [[United Kingdom]] during the [[Cold War]]. It helped identify people who were spying for the Soviet Union, and passing military secrets (such as information about the [[atomic bomb]]). Historians John Earl Haynes and Harvey Klehr have stated,

The '''Venona project''' intercepted codes passed among agents of the [[Communism|communist]] [[Soviet Union]] during World War II, and attempted to decrypt them.  This was a project by the [[United States of America|United States]] and [[United Kingdom]] during the [[Cold War]]. It helped identify people who were spying for the Soviet Union, and passing military secrets (such as information about the [[atomic bomb]]). Historians John Earl Haynes and Harvey Klehr have stated,

:Unfortunately, the success of government secrecy in this case has seriously distorted our understanding of post-[[World War II]] history. Hundreds of books and thousands of essays on [[Joseph_McCarthy#Tensions_of_the_times|McCarthyism]], the federal loyalty security program, Soviet espionage, American communism, and the early [[Cold War]] have perpetuated many myths that have given Americans a warped view of the nation's history in the 1930s, 1940s, and 1950s. <ref>Haynes, John Earl & Klehr, Harvey ''Venona: Decoding Soviet Espionage in America'', Yale University Press, (2000), p. 18. ISBN 0300084625. </ref>

:Unfortunately, the success of government secrecy in this case has seriously distorted our understanding of post-[[World War II]] history. Hundreds of books and thousands of essays on [[Joseph_McCarthy#Tensions_of_the_times|McCarthyism]], the federal loyalty security program, Soviet espionage, American communism, and the early [[Cold War]] have perpetuated many myths that have given Americans a warped view of the nation's history in the 1930s, 1940s, and 1950s. <ref>Haynes, John Earl & Klehr, Harvey ''Venona: Decoding Soviet Espionage in America'', Yale University Press, (2000), p. 18. ISBN 0300084625. </ref>

During World War II, the Soviet Union ran espionage operations against the War Department and the State Department, the [[War Production Board]], the [[Office of Economic Warfare]], and even the Office of the President of the United States. It successfully penetrated each institution, and stole the secrets of many other organizations concerned with national security.  No modern government was more thoroughly penetrated. <ref>Peake, Hayden B., [http://www.nwc.navy.mil/press/review/2000/summer/re2-su0.htm ''The Venona Progeny''], Naval War College Review, Summer 2000, Vol. LIII, No. 3.  "Venona makes absolutely clear that they had active agents in the U.S. State Department, Treasury Department, Justice Department, Senate committee staffs, the military services, the Office of Strategic Services (OSS), the Manhattan Project, and the White House, as well as wartime agencies."</ref>

During World War II, the Soviet Union ran espionage operations against the War Department and the State Department, the [[War Production Board]], the [[Office of Economic Warfare]], and even the Office of the President of the United States. It successfully penetrated each institution, and stole the secrets of many other organizations concerned with national security.  No modern government was more thoroughly penetrated. <ref>Peake, Hayden B., [http://www.nwc.navy.mil/press/review/2000/summer/re2-su0.htm ''The Venona Progeny''], Naval War College Review, Summer 2000, Vol. LIII, No. 3.  "Venona makes absolutely clear that they had active agents in the U.S. State Department, Treasury Department, Justice Department, Senate committee staffs, the military services, the Office of Strategic Services (OSS), the Manhattan Project, and the White House, as well as wartime agencies."</ref>

Between 1942 and 1945 thousands of encrypted cables were sent between KGB stations in the U.S. and Moscow but only a fraction were ever decrypted. The decryption rate was as follows:

Between 1942 and 1945 thousands of encrypted cables were sent between KGB stations in the U.S. and Moscow but only a fraction were ever decrypted. The decryption rate was as follows:

Mironov made an assertion that the information his boss, Zurabin, was obtaining from all these sources was being sent to Japan, and not the Soviet Union. Mironov and several others were all recalled to Moscow and an investigation found this to be untrue.  Mironov was diagnosed schizophrenic, hospitalized, and later shot.

Mironov made an assertion that the information his boss, Zurabin, was obtaining from all these sources was being sent to Japan, and not the Soviet Union. Mironov and several others were all recalled to Moscow and an investigation found this to be untrue.  Mironov was diagnosed schizophrenic, hospitalized, and later shot.

==See also==

==See also==