Recorded mission
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Army Ballistic Missile Agency
Juno-I | Explorer 1
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Recorded mission coverage
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Mission brief
The flight at a glance.
First successfully launched American satellite. It was the first spacecraft to detect the Van Allen Radiation Belt.
Open the full mission →Published flight sequence
Know what comes next.
Planned timings relative to the target. These steps do not indicate live progress.
A flight sequence has not been published for this mission.