14 points
*
No, not quite. If a hole appears in the sub you will be turned into a fine red mist by the insanely powerful force of the water forcing its way inside.
Source: https://en.m.wikipedia.org/wiki/Bathysphere#cite_ref-Gould_2-9
5 points
I might be recalling a situation where someone didn’t depressurize an emergency exit door in a nuclear sub.
3 points