| 31. | The NASA study is just one of several research programs under way on the supersonic jet.
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| 32. | But Branson's bid to operate the world's only supersonic jet now appears unlikely to take off.
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| 33. | Rising costs led BA to retire the supersonic jet last week after 27 years of commercial service.
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| 34. | Why did the supersonic jet catch fire?
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| 35. | Circular supersonic jets also generate screech tones.
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| 36. | The solution leaves the tube as a supersonic jet or spray of very small droplets in solvent vapor.
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| 37. | The supersonic jet-set has been bumped.
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| 38. | If you were flying in a supersonic jet which slowed down by 20mph, would you notice the difference?
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| 39. | During the 1973 war he commanded a squadron of F4-Phantoms, the first American supersonic jets acquired by Israel.
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| 40. | For the French, the famed supersonic jet shared a glamorous stage with champagne, the Cannes film festival, and truffles.
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