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SDA's Tracking Layer Constellation Faces Risks, Delays

January 28, 2026

2 min read

Key Takeaways

SDA's Tracking Layer program faces risks and delays.
GAO report criticizes unrealistic goals and lack of transparency.
SDA has awarded $8.2 billion in contracts for 173 satellites.
Satellites have a five-year lifetime, with undefined replacement costs.

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Strategic Implications

The SDA's Tracking Layer program may struggle to meet its goals and operator needs, which could indicate a broader challenge in developing LEO constellations for the PWSA. The GAO's findings suggest that SDA may need to reassess its technology readiness and requirements process, which could impact the overall effectiveness of the PWSA and the ability to counter evolving threats.

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What Happened

Government Watchdog Warns Of Unrealistic Goals And Lack Of Transparency

The Space Development Agency’s (SDA) Tracking Layer program, aimed at developing a constellation of missile warning/tracking satellites in low Earth orbit, is facing significant risks and delays, according to a new report by the Government Accountability Office (GAO). The report criticizes SDA’s unrealistic goals and lack of transparency, citing issues with technology readiness and requirements definition. SDA has awarded $8.2 billion in contracts for 173 satellites, but the program’s success is uncertain. The report was released by Breaking Defense.

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