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Hypersonic aircraft Quarterhorse Mk2.1 breaks the sound barrier

The Quarterhorse Mk2.1, successor to the legendary SR-71 Blackbird, exceeded the speed of sound during trials.

Published 10sem1 sourceImportant
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The fact

This aircraft represents the culmination of decades of research in hypersonic aviation and aerodynamics.

Its performance confirms major technological advances in supersonic flight.

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Auto-synthesis from 1 media source · identified on May 31, 2026
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