A test launch of what Japanese scientists hope will be the next generation of supersonic jet failed spectacularly Sunday in the Australian desert.

The rocket-propelled 38-foot model piggy-backed on a 33-foot rocket, and was supposed to detach from the booster 11 miles above the earth and glide back down at over twice the speed of sound.

The superjet, a 1:10 scale model of a plane that would be able to fly twice as fast as the Concorde, dived into the ground shortly after take-off at a long-abandoned British rocket testing range in South Australia.
More here.