RE: Can NASA's X-plane resurrect supersonic passenger air travel? — Steemit

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RE: Can NASA's X-plane resurrect supersonic passenger air travel?

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azyref (51)in #science • 7 years ago

great post and good job brother....
i hope you same with me....gift upvote and visit my blog....thanks dear...

7 years ago in #science by azyref (51)

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abraham95 (27) 7 years ago

i am very happy sister .....
thanks for you

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