GPS OCX still delayed and lawmakers are not happy - GPS World
Raytheon Wins $378 Million To Replace IBM Equipment In GPS OCX - MilitaryLeak.COM
Global Positioning System: Updated Schedule Assessment Could Help Decision Makers Address Likely Delays Related to New Ground Control System | U.S. GAO
Raytheon's New GPS OCX (Operational Control System) to Enable Era of Next-Gen Satellites - News
GPS OCX is Modern, Robust & Secure
Military Communications & Positioning, Navigation, and Timing Overview with GPS Update
US Space Force logs another cost increase for Raytheon's next-generation GPS ground station
GPS.gov: Next Generation Operational Control System (OCX)
GPS OCX system: A new technology discovers what it is and its benefits
operational control system Archives - GPS Tracking BlogGPS Tracking Blog
Update on GPS III -- lots of moving parts | Acquisition Talk
GPS OCX Modernization - YouTube
Global Positioning System (GPS) Enterprise
GPS Backups/ Alternatives Too Hard & Costly? - GPS OCX delayed again, now at $6.1B - RNTF
Benefits coming from GPS III constellation - GPS World
Raytheon Tweaking OCX Following First GPS III Launch | Air & Space Forces Magazine
GPS OCX passes review
GPS: Actions Needed to Address Ground System Development Problems and User Equipment Production Readiness | U.S. GAO
GAO Report: More Delays, Cost Increases for OCX, GPS III - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design
GPS ground system gets cybersecurity upgrade as OCX faces new schedule setback - SpaceNews