Who are Sassie Duggleby and Andrew Duggleby? Houston couple behind America's first rotating detonation rocket engine raised $91 million; what is their Mach 4 jet dream?

Economic Times - Nov 6, 2026

Venus Aerospace was founded in 2020 by husband-and-wife team Sassie Duggleby and Andrew Duggleby. They established the company with an ambitious idea. It was to develop a new propulsion system that could make extremely fast passenger aircraft commercially viable. They spent several years working on the technical challenge on making the engine withstand the extreme heat generated by rotating detonation.

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