Home / Photos / HyperMach SonicStar Photos HyperMach SonicStar By November 18, 2011 An ambitious U.K. company says it can develop an SSBJ that will be capable of flying at Mach 4.0.HyperMach SonicStar HyperMach SonicStar HyperMach SonicStar For more on this SSBJ, check out “HyperMach Raises SSBJ Speed Target to Mach 4.“ More From Photos A Fond Memory: Sun 'n Fun Aerospace Expo 2023 Gallery: The Evolution of Van's Aircraft Gallery: Tails on Display at Oshkosh Gallery: Wednesday at Oshkosh Photos: <i>FLYING</i> Honors Award Winners at Adventure Party First Look: Supernal's Air Taxi Passenger Cabin