Images of persons communicating by telephone and radio. A U.S.Air Force Colonel discusses encoding of such communications to prevent enemy eavesdropping. A senior controller in a command post is seen using the Automatic Secure Voice Communications Network (AUTOSEVOCOM) to protect his conversation. Steel containers housing cryptographic devices that encode the communications. A panel in the command post is part of the Automatic Digital Communications Network (AUTODIN). Command post personnel using the system for teletype transmissions. Another system called the "KG-30" is seen that will extend protection to a range of communications types. Narrator states it is in use to securely transmit images from Southeast Asia. A technician places a photograph into a laser scanning device that digitizes it for transmission via the KG-30 system. An illustration shows how the image is transmitted via satellites and relay stations.
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Type | Size | Price (USD) Comprehensive All Media License |
Price (USD) Digital-Only License |
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