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War Games: Air-breathing engine may lead to Mach 20 planes

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War Games: Air-breathing engine may lead to Mach 20 planes

War Games: Air-breathing engine may lead to Mach 20 planes
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War Games: Air-breathing engine may lead to Mach 20 planes

FOX News Videos 5:48 mins

Allison Barrie on the new Boeing X-51A WaveRider and the successful test last week of the prototype jet that flew a remarkable Mach 5

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