NESTOR (encryption)
Videos
NESTOR was a family of compatible, tactical, wideband secure voice systems developed by the U.S. National Security Agency and widely deployed during the Vietnam War through the late Cold War period. N
American soldier using the KY-38 "man-pack", part of the NESTOR voice encryption system that was used during the Vietnam War. The upper unit is an AN/PRC-77 radio transceiver. The combined weight of the units, 54 pounds (24.5 kg), proved an obstacle to their use in combat.
KY-8, vehicular or fixed
KY-28, airborne or shipborne, with KYK-28 key loader
KY-38, man-pack, with key loader
NSA encryption systems
Videos
The National Security Agency took over responsibility for all US government encryption systems when it was formed in 1952. The technical details of most NSA-approved systems are still classified, but
NESTOR (encryption)
…they were able to understand the Americans' jargon and informal codes in realtime and were often able to warn their side of impending U.S. actions. NSA encryption systems http://www.nf6x.net/2009/03/ky-38-nestor-voice-encryption-device-demilitarized…
KL-7 at NSA Museum
An array of KW-26 cipher devices
KOI-18 field paper tape reader
STU-III phones with crypto-ignition keys