Space Force to Launch $1.5B GPS Ground Systems Program
The new modular Spider program aims to sustain critical navigation infrastructure through 2039.
Updated on Oct. 29, 2026 in Space

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Will the Space Force successfully deliver the $1.5 billion Spider GPS ground program on schedule?
The U.S. Space Force has announced the upcoming Spider program, a $1.5 billion initiative to sustain GPS ground operations. This effort follows the April 2026 cancellation of the previous Next-Generation Operational Control System contract.
Why it matters
The program provides a bridge to maintain critical global navigation infrastructure while modern satellites are deployed. It signals a shift toward a modular ground system architecture for GPS operations.
The program is valued at $1.5 billion for a term running from 2029 through 2039. It replaces the legacy OCX framework, which was originally awarded to Raytheon in 2010 but was terminated in April 2026.
The players
U.S. Space Force
The branch of the U.S. Armed Forces responsible for space operations and the sustainment of the Global Positioning System constellation.
Raytheon
An aerospace and defense conglomerate known for developing integrated sensor systems, radar technologies, and previously the OCX control platform.
The details
Spider, or Sustaining PNT and Interfacing with Development to Elevate Readiness, will utilize a modular ground system approach to manage GPS operations. This architecture allows for independent, interchangeable components to handle satellite interfacing rather than a single monolithic control system. The model aims to ensure compatibility with modernized satellite technology while maintaining legacy system functions.
Timeline
2010: The original OCX contract was awarded to Raytheon.
April 2026: The Space Force canceled the OCX contract.
September 2026: The Space Force issued a notice regarding a GPS Gen4 ground project.
October 22, 2026: The Spider program was officially announced.
January 1, 2029: The anticipated start date for the ten-year contract.
The Tech Race
The Spider program marks a departure from the monolithic architecture of the canceled OCX project. It represents the Pentagon's effort to implement modular, agile ground operations to outpace obsolescence in global positioning infrastructure.
The transition to a modular ground system is designed to stabilize GPS reliability for commercial and military users by ensuring ground infrastructure keeps pace with orbiting hardware. While the program begins in 2029, its success will dictate the resilience of the positioning signals underlying global navigation services.
The takeaway
The move to modular ground architecture aims to prevent the integration delays that plagued previous long-term satellite support contracts. Industry participants should monitor upcoming solicitation releases for the specific technical standards required for the 2029-2039 performance window.
What happens next
The U.S. Space Force is expected to begin soliciting industry proposals to finalize the technical requirements for the 2029 contract launch.
Further reading
For more on evolving military navigation technology, visit the Space section.
Source note: This article includes information reported by Aviation Week.
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Will the Space Force successfully deliver the $1.5 billion Spider GPS ground program on schedule?









