- Family: Redstone
- Length: 21.2 m
- Diameter: 1.78 m
- Launch Mass: 29 T
- Low Earth Orbit Capacity: 11 kg
The Juno-I was manufactured by Chrysler with the first launch on 1958-01-31. Juno-I has 3 successful launches and 3 failed launches with a total of 6 launches. 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.