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Interesting Engineering on MSNIron Dome for America: US firm pitches powerful hypersonic engine for missile defenseRocket engine manufacturer Ursa Major is accelerating the development of its Draper engine. The startup is collaborating with US agencies and military contractors to make the engine available for use ...
When planes exceed Mach 1 (the speed of sound, or about 767 miles per hour—1,234 kilometers/hour for those using the metric ...
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