China's clear definition of hypersonic missiles is that the speed must be above Mach 5 and sustained within the atmosphere, and not only must it fly very fast, but it must also be maneuverable. Therefore, according to China's definition, the hypersonic missiles that have been successfully developed and put into service in the world are actually just a few that China has developed. The so-called hypersonic missiles elsewhere are essentially still ballistic missiles.
Original: www.toutiao.com/article/1843393794446464/
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