Military GPS-based positioning, navigation, and timing (PNT) has profoundly changed how the U.S. Defense Department carries out command and control in the electronic battle space; however, concerns have arisen recently about U.S. military dependence on GPS and the vulnerabilities that may affect mission success if GPS is not available — even if only for the briefest of periods. GPS availability cannot be assured under all conditions, as it is susceptible to radiofrequency interference and other issues, which is why efforts are now underway to characterize the full spectrum of possible PNT sources and assess their capability, in combination with GPS, to meet military needs.Read more at Inside GNSS.
Military GPS Accuracy Challenged by RFI
