| 1. | I was wondering how C D varies with Ma at hypersonic speeds?
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| 2. | The "'HSTDV "'is an unmanned scramjet demonstration aircraft for hypersonic speed flight.
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| 3. | Oblique shock waves are a phenomena only experienced during transonic, sonic, and hypersonic speeds.
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| 4. | When it comes to re-entry at hypersonic speeds, the properties of gases change dramatically.
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| 5. | Finally, scramjets with supersonic combustion cover the range of high supersonic to hypersonic speeds.
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| 6. | This flight simulated a 654-mile ( 1053-kilometre ) cross-range reentry, and banking at hypersonic speeds.
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| 7. | Most of the jet travels at hypersonic speed.
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| 8. | If successful, the flight will be the first of an air-breathing, nonrocket plane at hypersonic speeds.
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| 9. | The vehicle is at over 200, 000 feet ( 61 km ) in altitude and hypersonic speed.
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| 10. | According to a senior defense source, the missile obtained hypersonic speed, and reached an altitude of, entering space.
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