1945-1991: Cold War world Wiki
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Vanguard TV3BU.
Category. Statistic.
Launch vehicle. Vanguard rocket.
Launch date. February 5, 1958. 
Launch site. Launch Complex 18A at the Cape Canaveral Air Force Station.
Ceased operations. Blew up just after launch.
Owner(s). U.S. Navy.
Major contractor(s)  Naval Research Laboratory.
Is it still in orbit. No since it blew up just after launch.
Launch mass. Unknown.
Nationality(s). American.
Satellite type. Technical sounding satellite.
Links. http://en.wikipedia.org/wiki/Vanguard_TV3BU.
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