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richiebful1
on May 25, 2023
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SR-71 Blackbird Speed Check Story
Only
civil
aviation above Mach 1 is prohibited by the FAA. Rulemaking to certify quieter supersonic planes is underway. [1]
1.
https://www.faa.gov/newsroom/supersonic-flight
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1. https://www.faa.gov/newsroom/supersonic-flight