US Air Force Cancels Raytheon GPS Satellite Ground-Control Network After Years of Delays

By Jaspal Singh April 21, 2026 Updated: April 21, 2026

The US Air Force has cancelled Raytheon Technologies' (RTX) contract to build the ground-control network for the next generation of US GPS satellites, ending a program that had accumulated years of delays and significant cost overruns. The cancellation represents one of the largest recent failures in US military space procurement and raises questions about the future of the GPS modernization program.

What the Program Was

The cancelled contract covered the development of ground-control software and infrastructure that would manage the next-generation GPS III satellites — replacing the aging GPS control segment that has operated largely unchanged since the 1990s. Raytheon had been the prime contractor since winning the original award, with the system intended to unlock the advanced capabilities of newer GPS satellites already in orbit.

A History of Delays and Cost Overruns

The program had been plagued by schedule slips and cost growth for several years, with the Air Force repeatedly granting extensions as Raytheon struggled to deliver a working system. Congressional oversight reports had flagged the program as high-risk, and the Government Accountability Office had issued multiple warnings about insufficient contractor performance. The final cancellation follows a period of escalating tensions between the Air Force and Raytheon over deliverables.

Implications for GPS Modernization

The cancellation leaves a significant gap in the US GPS modernization roadmap. Without updated ground-control software, the full capabilities of GPS III satellites — including improved accuracy, stronger anti-jamming features, and new civilian signals — cannot be fully activated for military and civilian users. The Air Force will now need to recompete the contract, a process that could take years and further delay modernization.

Raytheon's Broader Challenges

The GPS cancellation adds to a difficult period for RTX, which has also faced challenges with its Pratt & Whitney engine business, including costly engine recalls. Defense contractors across the industry are navigating inflation-driven cost pressures on fixed-price contracts signed in earlier lower-cost environments.

The Bottom Line

The US Air Force's cancellation of Raytheon's GPS ground-control network contract is a significant setback for US military space modernization. Recompeting the program will introduce further delays to fully activating GPS III's capabilities — capabilities that matter for both national security and civilian navigation infrastructure worldwide.

Sources

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