Titanic submersible es morte
Very similar, but due to relative negative pressure. Much like the Byford Dolphin incident
https://en.m.wikipedia.org/wiki/Byford_DolphinThere's a lot more very graphic things to be found about this so viewer discretion is advised should you google it. Moral of the story is the depths of the ocean are insanely dangerous and should be treated as such. Any pressure above or below atmospheric is not to be played with.