The final global network of 30 Galileo satellites is crucial to providing the high volumes of time- and location-based data needed for new services such as advanced sat-nav, mobile location data, natural disaster surveillance and air traffic control.Read on over at BBC.
Powerful applications are expected on the roads; the Galileo network would allow a vehicle's exact movements to be tracked, presenting new possibilities for road-user charging and tolling.
Europe launches first Galileo satellite

Europe yesterday launched the first test satellite of its 3.4 billion euro Galileo satellite navigation system.