Quote:
Originally Posted by The General
not several inch thick steel.
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If I recall, Type VIIC Boat pressure hull was about 3/4 inch thick
Also, many planes (patrol planes and fighters alike) had 20mm cannons for strafing runs. At the very least you lose a lot of your deck crew.
Also, on the topic of mines; if your submarine is travelling submerged (this even applies to modern submarines), and hits a mine. Thus creating a huge gap in your pressure hull, the shockwave being sent through your sub would knock out many electrical systems as well as potentially dislodge or disfigure bulkheads (they're not completely sealed then). With all this in mind, and adding to the sudden change of pressure and a sudden weak spot in the hull at depth, it's safe to say your sub is a goner. That is unless your surfaced. Then I would guess that you have a marginal chance of surviving.