Recorded mission
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Soviet Space Program
Proton | Salyut-3a
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Recorded mission coverage
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Mission brief
The flight at a glance.
Third Salyut space station launched. Lost due to uncontrolled engines firing, called Kosmos-557 in an attempt to hide its true nature.
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.