Object Details Summary This replica of Vanguard 1, may have been intended to be either an exhibit object or an engineering mock-up. Vanguard was a series of Earth satellites developed and managed by ...

This is one of several replicas of the Vanguard 1 satellite in the NASM collection. Vanguard 1 was the second American satellite to orbit the Earth on 17 March 1958. The provenance of this object is ...