Wikipedia AI summary

1958 in spaceflight

Explorer 1 was the first American satellite to reach orbit on 31 January 1958.

AI wikipedia summery

Pioneer 3Luna E-1 No.3Pioneer 2Beacon 1Luna E-1 No.2Pioneer 1Vanguard SLV-3Luna E-1 No.1Pilot-6Pilot-5Pilot-4Explorer 5Pilot-3Pioneer 0Pilot-2Explorer 4Pilot-1Vanguard SLV-2Vanguard SLV-1Sputnik 3Vanguard TV5ISZ D-1 No.1Explorer 3Vanguard 1Explorer 2Vanguard TV3BUExplorer 11959 →← 1957Future

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