Comments by "DS_SD" (@simondahl5437) on "U.S. vs. China: The Design and Technology Behind Military Drones | WSJ" video.

  1. I doubt you have any real knowledge in this field.
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  2. Then that should also go for China.
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  3.  @flabber55tv83 . Yes, that’s common knowledge. But let’s let the experts and the educated do the speculating.
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  4. I doubt you know anything about that.
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