The super-secretive National Security Agency (NSA) did something out of character: it released 49 cables as part of its initial Venona declassification. Of those, only 20 mentioned the Rosenbergs. Below are the more significant cables which provided concrete evidence against the Rosenbergs.
5 May 1944
Issue Date: 15/6/76
This was the very first cable to mention Julius Rosenberg under his first known code name - Antenna. This cable casts the latter in his main role as a spy-recruiter for the Soviets. In this cable, KGB New York asks KGB Moscow for a decision on the recruitment of
This was the first cable to mention Julius Rosenberg under his first known code name "ANTENNA."
This cable casts Julius in his most common role as a recruiter for the Soviets. Here KGB New York
asks KGB Moscow for a decision on the recruitment of Alfred Epaminondas, a Greek-American
working for Western Electric.
2 Sept 1944
The Soviets were careful in changing the agent code names every few months. Over here we see Julius' Rosenberg's code name being changed from ANTENNA to LIBERAL.
27 Nov 1944
This was a fatal slip - this cable marked the beginning of the end for the Rosenbergs. KGB usually took caution in using code names, but in this fatal slip, they refer to LIBERAL's wife as Ethel. The US code crackers exploited this carlessness to begin to unravel the mystery and unravel the Rosenbergs' identity.