Key Points - NASA's X-43A hypersonic research vehicle, part of the "Hyper-X" program, still holds the world record for an air-breathing aircraft, achieving a speed of Mach 9.64 (6,363 mph) in its ...
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, ...
Russia's Foreign Minister Sergey Lavrov has declared that Moscow is prepared to employ "all means" to defend its interests, including advanced hypersonic weaponry, and said any war with the U.S. "will ...
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