Pentagon Scraps Troubled $10 Billion GPS III Follow-On Program Amid Critical System Failures

Ars Technica · 2026-04-21
Pentagon Scraps Troubled $10 Billion GPS III Follow-On Program Amid Critical System Failures

The U.S. Department of Defense has officially terminated the multi-billion dollar GPS III Follow-On (GPS IIIF) program due to systemic issues with its ground control system, which officials warned could jeopardize current military and civilian GPS capabilities. This cancellation marks a significant setback, halting the development of next-generation GPS satellites intended to feature enhanced military signals and civilian search-and-rescue payloads. The program has been plagued by years of delays, cost overruns, and technical hurdles, ultimately leading to the conclusion that fixing the foundational ground system flaws was too complex and risky. The decision highlights challenges in defense acquisition and raises concerns about the future modernization of a critical national asset, though current GPS services remain operational. The Pentagon plans to pursue alternative strategies for future GPS enhancements, emphasizing lessons learned from this costly program failure.