The KG-24 was a secure video unit used for the encryption of TV signals between the Pentagon and any site which needed to be secured.

With the requirement for encrypting TV signals, the problem of generating key at extremely high speed had to be solved. Work proceeded and eventually the device was packaged to fit into a single cabinet.

There were six Version 1 units built and seven Version 2's. The main hindrance for further expansion had to do with the high unit cost. 

Can anyone supply more information? Contact:

Contributorss and Credits:

1) David Brooks <brook61(at)>
2)  Pg 65  from the lecture series of David Boak

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Nov 11/15/