China secretly launched ocean surveillance satellite?
At 3:16 am, on September 2, Beijing time, China uses 'Truong Chinh 4B boosters' to successfully launch satellite 17 on a predetermined orbit.China launched the first HD satellite next year
Xinhua said China will launch its first high-definition (HD) civilian geographic map in January next year.China will launch HD satellites later this year
The Department of Geographic Information surveying the Chinese map said it would launch high-definition civilian survey (HD) satellites later this year. This will be the first