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Atlas V 551

United Launch Alliance | Atlas V 551 | NROL-107 (Silent Barker)United Launch Alliance | Atlas V 551 | NROL-107 (Silent Barker)

United Launch Alliance | Atlas V 551 | NROL-107 (Silent Barker)

Classified space situational awareness (SSA) payload for the US National Reconnaissance Office (NRO). View Rocket Launch Details

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