Air-breathing Sabre Concept Gains Credibility

Credit: Reaction Engines Concept
It is a well-established truism in aerospace that leaps in propulsion technology almost always precede major advances in spacecraft or aircraft design. As the clamor for affordable access to space continues to grow, there is mounting interest in the Synergetic Air-Breathing Rocket Engine (Sabre)...
Guy Norris

Guy is a Senior Editor for Aviation Week, covering technology and propulsion. He is based in Colorado Springs.

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