Recorded mission
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United Launch Alliance
Atlas V 551 | NROL-107 (Silent Barker)
Recorded mission coverage
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Mission brief
The flight at a glance.
Classified space situational awareness (SSA) payload for the US National Reconnaissance Office (NRO).
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.