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

Cosmodrome / Location : USA
Date of Cancellation: Nov. 15, 1961 Event Type : Launch Launch Pad / Location : USA KSC (FL) Manned / Robotic Mission : Robotic Mission Objective/Type : Telecommunications
ou?/where?: au sol - ground
autographe?: non - noneDescription : Transit 4B was a US Navy navigation satellite launched by a Thor Able Star rocket. It carried a SNAP 3 nuclear power source. Transit, one of the first operational satellite systems, was also known as the Navy Navigation Satellite (NNS).
Individual Transit satellites operated for over 10 years.
The use of the satellites for navigation was discontinued at the end of 1996 but the satellites continued transmitting and became the Navy Ionospheric Monitoring System (NIMS). Keyword(s) : #Planet, #Satellite, SPACE REVUE : 02 - 2015 Last modified: 06/08/2015 @ 16h08
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Page : future · Ref: USA 79 Space Event : TRANSIT 4B, TRAAC (SATELLITES) · THOR ABLESTAR
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