If it works, the HTV-3X will be the first reusable scramjet-powered plane. It will be able to take off from a runway, fly at speeds of up to Mach 6, land safely, and then do it again.
Scramjets, and even the HTV-3X, are not new news – but this rendering featured recently in Popular Science is straight creamy delicious.
ARTICLE [“The Hypersonic Age is Near”] (Popular Science)