Rival powers jockey for the lead in hypersonic aircraft August 31, 2020 at 04:04PMhttps://https://ift.tt/32GXjdc The US, China and Russia are pouring money into aircraft that can fly at five times the speed of sound.

The US, China and Russia are pouring money into aircraft that can fly at five times the speed of sound.

from BBC News - World https://ift.tt/3lzayFi