Hard core | China's Beidou, the road to overcome obstacles | The 56th BeiDou navigation satellite

On May 17th at 10:49 a.m. Beijing time, China successfully launched the 56th BeiDou navigation satellite using the Long March 3B carrier rocket at the Xichang Satellite Launch Center. This satellite is the first backup satellite of the BeiDou-3 project and, after being placed into orbit and completing in-orbit testing, it will be integrated into the BeiDou satellite navigation system. The launch of this satellite will further enhance the system's service performance and is of great significance for promoting the distinctive services of the BeiDou system and supporting its large-scale applications. You may not be aware that China's BeiDou navigation system has gone through a painful history of forced development, overcoming technological blockades and pitfalls to achieve its current brilliance. In today's video, let's take a look at the development journey of the BeiDou satellite navigation system.