Sweet

It worked.

A tiny unmanned NASA “scramjet” soared above the Pacific Ocean Tuesday at nearly 10 times the speed of sound, or almost 7,000 mph, in a successful demonstration of a radical new engine technology.

The 12-foot-long X-43A supersonic combustion ramjet reached about Mach 9.7, said Leslie Williams, a spokeswoman at NASA’s Dryden Flight Research Center at Edwards Air Force Base.

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Erick Erickson

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