The name Jumpseat was first revealed in a 1986 book by the investigative journalist Seymour Hersh on the Soviet Union’s 1983 ...
The Aviationist on MSN
NRO Officially Declassifies JUMPSEAT First Gen Signals Intelligence Satellites
Launched between 1971 and 1987 primarily to collect intelligence data on foreign weapon testing, the last satellites in the JUMPSEAT family were withdrawn from service in 2006. A memorandum dated Dec.
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