Recorded mission
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US Navy
Vanguard | Vanguard
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Recorded mission coverage
A coverage link has not been published yet. Mission status and timing remain available here.
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Mission brief
The flight at a glance.
Vanguard was an American satellite and the fourth artificial Earth orbital satellite to be launched. It was the first satellite to have solar electric power.
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.