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21 sats \ 0 replies \ @TNStacker 29 Apr 2024 \ parent \ on: "This technology does not belong to us", says pilot who saw a 30,000mph UAP aliens_and_UFOs
Orders of magnitude different. Concorde flew Mach 2. Hypersonic is Mach 5+. 30, 000 mph is approx. Mach 39!