In June 2020, the 55th and final satellite in the Beidou constellation was successfully launched into geosynchronous orbit. The system provides global coverage for timing and navigation and offers an alternative to GPS, GLONASS and the Galileo positioning system. It has both civilian and military applications.
Further Reading
BEIDOU constellation status
China completes BeiDou-3 worldwide navigation constellation
BeiDou Navigation Satellite System