hypersonic launch sled on an electromagnetic rail, like a hypersonic train, LOX/LOH clouds erupt out the back as it gains speed acting like the first stage, sleek hypersonic design for acquiring speed for launch into deep space, as it cruises along the salt flats on its rail, its payload a hypersonic scram jet at its 15 degree shroud
hypersonic launch sled on an electromagnetic rail, like a hypersonic train, LOX/LOH clouds erupt... [more]