Submarines float on the surface by using ballast tanks full of air there are valves at the top of the ballast tanks that are open when it’s time for the submarine to submerge. So how deep can a military submarine ...
Submarines float on the surface by using ballast tanks full of air there are valves at the top of the ballast tanks that are open when it’s time for the submarine to submerge. So how deep can a military submarine ...