GPS, or the Global Positioning System, is the oldest and most widely used satellite navigation system in the world with 6 billion users. But the U.S. is not the only country with its own global navigation satellite system. The latest entrant is China's Beidou constellation. But experts say China's Beidou system is about more than just military might. To find out more about China's Beidou satellite navigation system, what implications it may have for the world, and how the U.S. is working to bolster its own GPS constellation, watch the video.

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Persons: Mikie Sherill, Galileo, Sarah Sewall, Sewall Organizations: GPS, U.S, Space Force, U.S . Air Force, House GPS Caucus, European Union, Galileo, State, Civilian Security, Human Locations: U.S, Russia, China, Taiwan