Originally Posted by loliea
The world aircraft speed record still belongs to the X-15 with a speed of 4,519 mph at the altitude of 191,664 feet... I don't think that the Blackbird could top that with turbo reactors/ramjets that need minimum amount of air to function properly.
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AND YET, MOST PEOPLE BELIEVE THAT THE ONLY MODEL OF THE sr-71 WAS THE code named blackbird... forgetting about the TY-71, the D-2 drone (unmanned) the YF-13 (forward winged sr-71) which hold capabilities still classified, heck most people still think the TR-3A/B does not exist, I'm sure we have gone over mach 5 and possibly continue to do so every day