...against asteroid strike.
24 April 2022 - China is planning on building an asteroid monitoring and defense system, and plans to carry out a technical experiment as early as 2025 on a threatening asteroid by closely tracking and attacking it to change its orbit, China National Space Administration (CNSA) deputy head Wu Yanhua disclosed on this year's Space Day of China
https://www.globaltimes.cn/page/202204/1260181.shtml
24 April 2022 - China is planning on building an asteroid monitoring and defense system, and plans to carry out a technical experiment as early as 2025 on a threatening asteroid by closely tracking and attacking it to change its orbit, China National Space Administration (CNSA) deputy head Wu Yanhua disclosed on this year's Space Day of China
https://www.globaltimes.cn/page/202204/1260181.shtml