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Digital Communications History
1
ElectronicResource GovDoc
 

Securing record communications the TSEC/KW-26


Klein, Melville.
[Fort George G. Meade, Md. : National Security Agency, Central Security Service, 2003] 2003

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 Axe Federal Documents Online  D 1.2:SE 2/11    ---  Available
2
ElectronicResource GovDoc
 

The start of the digital revolution, SIGSALY secure digital voice communications in World War II.


Boone, J. V.
[Fort George G. Meade, Md. : Center for Cryptologic History, National Security Agency, 2000] 2000

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 Axe Federal Documents Online  D 1.2:D 56    ---  Available
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