National Security Journal on MSNOpinion
The Mach 15 X-43D ‘Hypersonic Scramjet’ Has a Message for the U.S. Air Force
D. It Never Flew — and That Matters Now. -NASA’s X-43A proved that an air-breathing scramjet could fly at hypersonic speeds, ...
National Security Journal on MSNOpinion
Almost Mach 10 X-43A ‘Hypersonic Scramjet’ Has a Message For Every Air Force
Key Points and Summary – The X-43A Scramjet That Broke Mach 9.6 — And Then We Walked Away -NASA’s X-43A was a black, ...
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