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Need for speed: why the US is spending billions in a hypersonics arms race – The Times
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The Times

Need for speed: why the US is spending billions in a hypersonics arms race
The Times
China claimed this month to have successfully tested a hypersonic weapon — those able to travel at least five times the speed of sound, about 3,800mph — becoming the third country, after the US and Russia, known to be developing superfast weaponry.

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