Sierra Space completed the first nine satellite structures—Plane 1—of an 18‑satellite contract for the Space Development Agency's Tranche 2 Tracking Layer, finishing three months ahead of schedule. The milestone advances the Proliferated Warfighter Space Architecture's missile-tracking capability and shortens integration and delivery timelines.
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Sierra Space delivered nine of 18 satellite structures (Plane 1) three months early, directly advancing SDA Tranche 2 assembly and the constellation’s missile-tracking capability.
The milestone aligns with SDA’s broader scaling: the agency recently awarded about $3.5 billion for 72 Tranche 3 tracking satellites, underscoring increasing procurement and production tempo (see the SDA $3.5B Tranche 3 awards: https://hype.aero/?story=dbdad5c9-7a09-4026-963a-9c1582cd5d5d).
Early hardware completion supports SDA’s launch and fielding plans and follows recent SDA payload deployments on Falcon 9, reinforcing the importance of sustained manufacturing and launch cadence for timely constellation fielding (see the SpaceX launch of SDA satellites: https://hype.aero/?story=9b96d913-19b4-441d-a2d5-e5e734c050f3).
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sierraspace.com
• Shay Saldana