Juno-I | Explorer 4
An American satellite in order to study the Van Allen radiation belts and the effects of nuclear explosions upon these belts.
Mission Details
- Launch date: July 26, 1958 at 03:00 PM UTC
- Launch vehicle: Juno-I
- Operator: Army Ballistic Missile Agency
- Launch site: Cape Canaveral SFS, FL, USA
- Mission type: Earth Science