The United Kingdom Global NavigationSatellite System (UK GNSS) is an initiative aimed at developing and maintaining asatellite navigation system that provides positioning, navigation, and timing services independent of foreign systems. The need for aUK-specific GNSS emerged from geopolitical considerations, particularly the dependency on the U.S. Global Positioning System (GPS) and the European Galileo system, which may not always be guaranteed in terms of access or reliability.