Space Systems Command (SSC), the National Reconnaissance Office (NRO), United Launch Alliance (ULA) and their mission partners successfully launched the “Silent Barker”/NROL-107 mission aboard an Atlas V rocket September 10, 2023, at 8:47 a.m. EDT from Space Launch Complex (SLC)-41 at Cape Canaveral Space Force Station, Florida.

One more Atlas V 551 remains in the NSSL inventory as the Space Force approaches the end of Atlas.

The spacecraft was part of the Space Force’s Silent Barker satellite constellation network intended to provide space situational awareness, orbital surveillance and tracking.