
To help counter disruption of the Global Positioning System (GPS), the U.S. Air Force is examining whether to buy complementary Positioning, Navigation, and Timing (PNT) systems. The service is "seeking information from industry about availability of very high technical readiness level (Technology Readiness Level (TRL)≥8) Complimentary Positioning Navigation and Timing (CPNT) technologies to provide PNT information that meet critical navigation needs when GPS service is not available and/or degraded due environmental, unintentional, and/or intentional disruptions," a business notice said." The…