I assume the metal and materials the boats are made of are strong but surely not to withstand the pressure of being 12,000 feet underwater? At the end of the day it’s not like the engineers had to consider holding up to that much pressure in their design right?
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You can do a little experiment.
Raise your arm out in front of you. Right now your arm is experiencing the pressure of the entire column of air from the surface of Earth all the way to the edge of the atmosphere. This will be approx. 1013 millibars or 14.7 pounds per square inch. If the air to the sides and under your arm weren’t present and exerting the same amount of pressure in various directions to counteract this column of air…you’d…well, you’d have a tough time moving around.
Same idea with water surrounding wreckage.
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