National Security Journal on MSN
NASA’s X-43A flew at Mach 9.6 and 110,000 feet: No air-breathing aircraft has gone faster in the 22 years since that flight
NASA’s X-43A scramjet aircraft hit Mach 9.64 at 110,000 feet in November 2004—and that record for an air-breathing aircraft ...
Just a couple of decades ago, aviation had some rules. If you wanted to fly fast within the atmosphere, you used a jet engine. The champion here was the SR-71 Blackbird, designed by Lockheed Martin, ...
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