HyperMach SonicStar

An ambitious U.K. company says it can develop an SSBJ that will be capable of flying at Mach 4.0.

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HyperMach SonicStar (Photos courtesy of HyperMach)
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HyperMach SonicStar
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HyperMach SonicStar
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HyperMach SonicStar For more on this SSBJ, check out "HyperMach Raises SSBJ Speed Target to Mach 4."