Explorer 1
Juno-I
Army Ballistic Missile Agency
Launch Status
Success Mission
Explorer 1
- Type: Test Flight
- Orbit: Low Earth Orbit
First successfully launched American satellite. It was the first spacecraft to detect the Van Allen Radiation Belt.
Location
Rocket
Agency
Army Ballistic Missile Agency
The Army Ballistic Missile Agency was formed to develop the U.S. Army’s first large ballistic missile. The agency was established at Redstone Arsenal on 1 February 1956, and commanded by Major General John B. Medaris with Wernher von Braun as technical director.