Comments by "carkawala khatulistiwa" (@carkawalakhatulistiwa) on "Biggest Submarines: The Big, The Famous And The Surprising" video.

  1.  @samuel5916  Soviet submarines could dive 3x deeper than the United States making them difficult to track.
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  2.  @samuel5916  Submarines are already expensive. but when you have 90% of the world's titanium. titanium cost less for the Soviets
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