Submarines can practically be spacious and massive with some like the Ohio class measuring nearly two football fields long and standing seven stories tall and a width equivalent to a three-lane highway.
With the introduction of the submarine, a unique class of ships was sailing and by the eve of World War One, Holland and Holland inspired vessels were a part of the large naval fleets worldwide from experimental beginnings testing and training of Naval Personnel to essential assets submarines revolutionized Naval Warfare.
The submarine houses hundreds of personnel in a steel tube for months at a time and the work is focused on several different areas and activities.
The control room the underwater equivalent of a surface ship’s bridge is the brain where all the decisions are made and passed to the crew. There’s a coning tower which is a small watertight structure above the control room from which the commanding officer would command the submarine during submerged attacks.