Vanguard SLV-2
Vanguard SLV-2, also called Vanguard Satellite Launch Vehicle-2 hoped to be the second successful flight of the American Vanguard rocket following successful Vanguard 1 satellite on rocket Vanguard TV-4. Vanguard SLV-2 launched on 26 June 1958 at 05:00 GMT. It was launched from Launch Complex 18A at the Cape Canaveral Air Force Station. The second stage engine shut down after only 8 seconds of operation, resulting in insufficient velocity to put the satellite into orbit. The investigation concluded that scale from the second stage oxidizer tank had clogged propellant feed lines and resulted in loss of thrust.
Vanguard SLV-2 hoped to put into orbit the Vanguard 2C satellite, a Lyman Alpha satellite, with a magnetosphere measurement device. The satellite payload was. Vanguard SLV-2 only reached an altitude of, the goal was to orbit.
