Editing Venona project (section)

===Klaus Fuchs===
{{Main|Klaus Fuchs}}

The Venona decryptions were also important in the exposure of the atomic spy Klaus Fuchs. Some of the earliest messages decrypted concerned information from a scientist at the Manhattan Project, who was referred to by the code names of CHARLES and REST.{{sfn|Benson|2001|p=16}} Fuchs had joined the Manhattan Project at Los Alamos in 1944 where he provided information for the development of a plutonium implosion design. He is also credited with being of great assistance to the creation of a Soviet atomic bomb. Fuchs even gave the Soviets the blueprint for the Trinity device that would be detonated at Los Alamos in July 1945.<ref name="Goodman 2003 1–22">{{Cite journal |last=Goodman |first=Michael S. |date=2003 |title=The grandfather of the hydrogen bomb?: Anglo-American intelligence and Klaus Fuchs |url=https://www.jstor.org/stable/10.1525/hsps.2003.34.1.1 |journal=Historical Studies in the Physical and Biological Sciences |volume=34 |issue=1 |pages=1–22 |doi=10.1525/hsps.2003.34.1.1 |jstor=10.1525/hsps.2003.34.1.1 |issn=0890-9997}}</ref> One such message from Moscow to New York, dated April 10, 1945, called information provided by CHARLES "of great value." Noting that the information included "data on the atomic mass of the nuclear explosive" and "details on the explosive method of actuating" the atomic bomb, the message requested further technical details from CHARLES.<ref>{{Cite web|url=https://www.nsa.gov/news-features/declassified-documents/venona/dated/1945/assets/files/10apr_atomic_bomb_info.pdf|title=NSA, 2013}}</ref> Investigations based on the Venona decryptions eventually identified CHARLES and REST as Fuchs in 1949.{{sfn|Benson|2001|p=16}} Fuchs was eventually arrested and tried on March 1, 1950, where he confessed to four counts of espionage and received a maximum prison sentence of fourteen years.<ref name="Goodman 2003 1–22"/>