Here are details about a :
Space commemorative cover
or Space Cover.
Cosmodrome / Location : USA
Date of Cancellation: Mar. 9, 1975
Event Type : Launch
Launch Pad / Location : USA Vandenberg SFB (CA)
Manned / Robotic Mission : Robotic
Mission Objective/Type : Military / Secret
ou?/where?: au sol - ground
autographe?: non - noneDescription : In their elliptical orbits they would move very slowly over the northern hemisphere for most of their orbital period, allowing interception of microwave line-of-sight communications beams. Since they would move slowly through the beams during their orbit, a constellation of such satellites was required to monitor Soviet communications throughout the day.
Vandenberg post stamp and Afsatcom satellite. Keyword(s) :
#Planet,
#Satellite,
#Telecommunications, This is OUTSIDE of a Space Revue. Last modified: 04/09/2015 @ 12h17
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Page : future · Ref: USA 729 Space Event : JUMPSEAT 3 (AFSATCOM) (SATELLITE) · TITAN 3B
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