Explorer 4
Juno-I
Army Ballistic Missile Agency
Launch Status
SuccessMission
Explorer 4
Type: Earth Science
An American satellite in order to study the Van Allen radiation belts and the effects of nuclear explosions upon these belts.
Trajectory
The trajectory is unavailable. Check back for updates.
Location
Launch Complex 5
Cape Canaveral, FL, USA
920 rockets have launched from Cape Canaveral, FL, USA.

Agency
Army Ballistic Missile Agency – ABMA
- Type: Government
- Abbreviation: ABMA
- Country: USA
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.