Explorer 1 - Space launch mission detailed information
Explorer 1 1
1 FEB 1958
Army Ballistic Missile Agency
Launch Complex 26A
First successfully launched American satellite. It was the first spacecraft to detect the Van Allen Radiation Belt.
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.