The launch of a space craft from the Kennedy Space Center in Florida in August 2025 could well determine whether or not Global Positioning System
(GPS) technology has a future. While the mission's objectives are largely secret, scientists have revealed that the vehicle, built by Boeing, will conduct experiments to test a new navigation system that could one day make GPS redundant. But is there really a viable alternative to one of the most successful methods of navigation ever devised?
Click through this gallery and learn more about this secretive mission, and the evolution of GPS.