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Juno-I

Chrysler

Manufacturer

Chrysler

Family

Redstone

Maiden flight

1958-01-31

Length

21.2 m

Diameter

1.78 m

Payload to LEO

11 kg

Launches

6

Successful

3

The Juno I was a four-stage American booster rocket which launched America's first satellite, Explorer 1 in 1958. A member of thr redstone family, it was derived from the Jupiter-C sounding rocket.