They're not - they are pressurized upon submergence to maintain a positive pressure in the boat to detect any hull breaches. Any seal leak or breach, no matter how small, will immediately register on the boat's pressure board.
treasured
So they dont get the Benz which is basically bubbles in your intenstines.
1. Ballistic submarines 2. Attack submarines
Fuel shut off, cabin depressurized, electrics off.
Boats, Subs, Submarines, Home.
Submarines - poem - was created in 1917.
Dallas Submarines was created in 1920.
One of our Submarines was created in 1982.
Yes, North Korea has submarines
Until it cools down, which will be an indication that the coolant has depressurized.
Argentina had diesel-electric submarines while the British had nuclear-powered submarines.
submarines dont sail idiot