It's what submarines do. Subs would leave holes and the water would gush up and leave marks like the second pic shows in your article
https:// commons.wikimedia.org/wiki/File:Nuclear_Submarines_surfaced_at_the_North_Pole.jpg
It's what submarines do. Subs would leave holes and the water would gush up and leave marks like the second pic shows in your article
https:// commons.wikimedia.org/wiki/File:Nuclear_Submarines_surfaced_at_the_North_Pole.jpg