5 Countries That Are Developing Hypersonic Missiles

Hypersonic missiles have become a buzzword in the news in recent years. The great powers are rushing to develop them (sometimes, they are used for propaganda, with their performance greatly exaggerated). While the name sounds like they might be high-tech, game-changing weapons, they actually have few practical uses (which is also part of the reason why it has taken the USA so long to invest in developing them).