C1403 Exchange for Gps Satellites

"Here's our first returning satellite, it came back eight years ago" Elder Sun brought Qin Guan to the exhibition room. Qin Guan saw a big guy that looked like a bullet. It looked like... It was almost as tall as a person.

The country's aerospace industry was starting with great difficulty. At the same time, it was also trying its best to catch up with the country's aerospace industry