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Here are details about a :
Space commemorative cover
or Space Cover.

Cosmodromo / Luogo : USA

Data di annullo: 15 Oct. 2017
Esistono : 250 copie
Tipo di Evento : Lancio
Rampa di Lancio / Luogo : USA KSC (FL)
Missione con Equipaggio / Robotica : Robotica
Obiettivo/Tipo Missione : Militare / Segreto

MIL

ou?/where?: au sol - ground
autographe?: non - none

Descrizione : atellite Data System (SDS) spacecraft are communication relay satellites for transmitting real-time data from US reconnaissance satellites (e.g. KH-11) in polar areas. They are also used for communications to USAF aircraft on polar routes and connect the various ground stations of the Air Force Satellite Control Network (AFSCN). The spacecraft relay the downlinked data to a ground station at Fort Belvoir, Virginia.

Parola chiave : nessuno

RIVISTA DELLO SPAZIO : 03 - 2018

Ultima modifica: 01/03/2018 @ 15h04