![](http://www.ecns.cn/hd/2023/01/13/92bf41f5ee4a4510b558f57e6b9e40a2.jpg)
A Long March 2D carrier rocket carrying Yaogan 37 and Shiyan-22 A/B satellites blasts off from the Jiuquan Satellite Launch Center in northwest China, Jan. 13, 2023. (Photo: China News Service/Wang Jiangbo)
The three satellites are mainly used for the in-orbit verification tests of new technologies such as space environment monitoring.
![](http://www.ecns.cn/hd/2023/01/13/f38462d28395492385b303a46729b897.jpg)
A Long March 2D carrier rocket carrying Yaogan 37 and Shiyan-22 A/B satellites blasts off from the Jiuquan Satellite Launch Center in northwest China, Jan. 13, 2023. (Photo: China News Service/Wang Jiangbo)
![](http://www.ecns.cn/hd/2023/01/13/2c7c4d4972494981a95f7e59cb499c91.jpg)
A Long March 2D carrier rocket carrying Yaogan 37 and Shiyan-22 A/B satellites blasts off from the Jiuquan Satellite Launch Center in northwest China, Jan. 13, 2023. (Photo: China News Service/Wang Jiangbo)
![](http://www.ecns.cn/hd/2023/01/13/e6eaa93b7e3948f49f357364beb5d554.jpg)
A Long March 2D carrier rocket carrying Yaogan 37 and Shiyan-22 A/B satellites blasts off from the Jiuquan Satellite Launch Center in northwest China, Jan. 13, 2023. (Photo: China News Service/Wang Jiangbo)