https://en.wikipedia.org/wiki/Ehime_Maru_and_USS_Greeneville_collision https://en.wikipedia.org/wiki/Ehime_Maru_and_USS_Greeneville... There's other kinds of Su

https://en.wikipedia.org/wiki/Ehime_Maru_and_USS_Greeneville_collision https://en.wikipedia.org/wiki/Ehime_Maru_and_USS_Greeneville... There's other kinds of Sub collisions as well