Why are hypersonic weapons so important for America’s security?

https://www.defensenews.com/opinion/commentary/2021/02/16/why-are-hypersonic-weapons-so-important-for-americas-security/

Hypersonics are necessary, considering the scale and sophistication of adversary air defenses.

https://peterholland765.wordpress.com/2021/02/16/why-are-hypersonic-weapons-so-important-for-americas-security/