America is losing its GPS dominance to China's BeiDou satnav

In the 20th century, the United States vied with the Soviet Union for space supremacy. Now, in the new century, America has a different rival — China — and a key battle is already brewing in the critical area of satellite navigation (satnav). Right now, the U.S. is falling behind. While GPS was once the undisputed king of satnav (and a key instrument of American soft power), it now has a growing list of Global Navigation Satellite Systems (GNSS) competitors - from China's BeiDou to the European Union's Galileo, Russia's GLONASS and even India's regional system, NavIC. Without question, the…