The US military's GPS modernization, particularly for M-Code capabilities, faces significant delays and challenges, with uninterrupted secure satellite operation now at risk.
GAO has reported on challenges DoD experienced developing these systems since 2009 and made many recommendations to improve those efforts, but results could take time.
The Space Force took responsibility for the DoD's GPS modernization efforts in August 2021, and while some recommendations have been met, hardware on the ground remains insufficient.
Multiple delays concerning the GPS IIIF series satellites have pushed back the first delivery from February to November 2026, highlighting systemic issues in the modernization process.
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