The sub went missing while carrying five people to the wreckage of the Titanic.

  • Depends a lot on the depth, considering they were only halfway I imagine the water pressure combined with air escaping would have depressurized and atomized everything within 0.1-1.5 second.

    They would have heard the hull moaning, before it happened, But, if they saw water even a drop or even a crack, they wouldn’t have had time to comprehend they were dead.

    • Would they even have heard moaning? From everything I can tell, the whole idea was trading ductility for weight-reduction. I imagine something just… snapped. I suppose if you’ve got to go via an undersea vehicle incident, that’s the least horrifying option, though.