Recorded mission
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US Navy
Vanguard | Vanguard III
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Recorded mission coverage
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Mission brief
The flight at a glance.
Vanguard 3 is a scientific satellite to measure the Earth's magnetic field, solar X-ray radiation and its effects on the Earth's atmosphere and the near-Earth micrometeoroid environment.
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.