Your dreams of flying from Sydney to Los Angeles in only a couple of hours are that much closer with rocket engineering company Pratt & Whitney Rocketdyne successfully testing a new hypersonic cruiser
Your dreams of flying from Sydney to Los Angeles in only a couple of hours are that much closer with rocket engineering company Pratt & Whitney Rocketdyne successfully testing a new hypersonic cruiser.
Six times the speed of sound?
That means you would have beaten the sound of this broadcast six times over. Hypersonic cruiser is one step closer (Source: Crave)










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