https://en.wikipedia.org/wiki/SM_U-28_%28Germany%29
What you think it was /x/? i think it was a prehistoric sea monster
probably a whale carcass being thrown upwards. keep dreaming buddy i wish giant marine reptiles still existed too. sadly whales fill that niche now
>>17100641
it was probably just a whale, and the Germans were so distraught at the destruction of a decent engineering feat sent them into shock and they hallucinated the details.
>>17100702
Are there any other incidents of whales attacking subs/ships?