SR-71 Blackbird first flight was 1964.
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Yeah! I'm not saying that zero has happened in the interim (far from it & Blackbird is ofc an amazing aircraft)
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Rather that the number of different types and configurations of flying things being built seems now to match earlier conditions better than
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The last few decades have
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Also that now more than previously (to then), more kinds of flying craft entering airspace through non-military channels
End of conversation
New conversation -
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bc that's when aviation matured into commercial & military viability?
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