Sputnik 3
Third Artificial Earth Satellite
general/spacecraft-launched-in-1958
Pioneer 2
Failed NASA mission to the Moon (1958)
general/spacecraft-launched-in-1958
Explorer 5
United States satellite launched in 1958
general/spacecraft-launched-in-1958
Pioneer 3
Failed NASA flyby mission to the Moon (1958)
general/spacecraft-launched-in-1958