It seems to require a vacuum to spin. And then it needs to launch at Hypersonic speeds and then meets atmosphere. Instant encounter with a solid barrier == blo

It seems to require a vacuum to spin. And then it needs to launch at Hypersonic speeds and then meets atmosphere. Instant encounter with a solid barrier == blow-up. I am thoroughly skeptical about the technology both on the incredible G forces, and then hitting atmosphere at huge rates of speed.