The Wreck Of The Submarine U 16 Has Been Found 17 level 2 2 mo ago Well back in the day German Uboats couldn't flush the toilet's underwater only on the surface could they use it due to some pressure issue U16 Flushed it's toilet while still underwater The sinking the entire sub 26 By World War II standards, the German Type VIIC submarine was an advanced hunter of the seas But one unlucky vessel of its class, the U16, sank during its maiden combat voyage after its captain used its hightech toilet improperly Yes, this really happened, and was an unexpected and tragic consequence of a real naval engineering problem 1206 toilets