People think of the 20s-50s when they think of aviation
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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
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nothing that interesting has been *declassified* since then. can you imagine what they're actually flying?!
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