BeiDou’ is the navigation satellite system of __________ country ?

a) South Korea
b) Japan
c) China
d) None of these

China on July 31, 2020 formally launched full global services of its BeiDou-3 Navigation Satellite System (BDS) to rival the widely-used American GPS and provide independent navigation structure for its increasingly modernising military. Chinese President Xi Jinping attended a ceremony to mark the launch of full global services of the BeiDou-3.