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A comment on XB-1 First Supersonic Flight [video]. Parent comment

Re:XB-1 First Supersonic Flight [video] by MBCook on Tuesday January 28, 2025 @03:29PM (#42857539)
What if this ends up being more efficient for long flights over oceans due to the ability to fly in thinner air?
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Re:XB-1 First Supersonic Flight [video] by mmustapic on Tuesday January 28, 2025 @03:47PM (#42857757)
Probably not, and for sure the company is not expecting to be more efficient than subsonic.
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