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Hypersonic SABRE engine reignited in Invictus Mach 5 spaceplane

07-20-2025 • https://newatlas.com, By David Szondy

Proving that you can't keep a good technology down, Reaction Engines' Synergetic Air-Breathing Rocket Engine (SABRE) has a new lease on life after a British-led consortium announced Invictus, a new program to build a Mach 5+ spaceplane.

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Hypersonic SABRE engine reignited in Invictus Mach 5 spaceplane

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