there are air ducts and fans throughout every submarine
In modern submarines, the electrolyser separates oxygen from hydrogen in seawater to produce breathable oxygen. There is also a scrubber that removes excess CO2 from the air.
Submarines typically use air tanks. Oxygen is very dangerous and very flammable. It's use is very limited on submarines for that reason.
No the National Guard does not have submarines. The National Guard is primarily a ground fighting organization. The Air National Guard does provide for air support within the US.
They rise to the surface when air is pumped IN. They sink when air is let out
No submarines do not explore the atmosphere. atmosphere means air. Sub means under, Marine means water.
Nuclear submarines are powered by a nuclear reactor and they are completely independent of air, so there is no need to surface frequently.
Mainly on the coast
if it aint regulated you would suffercate
It doesn't pump air out; it forces water out of its ballast tanks to increase its buoyancy.
By using the secret key, which was already distrubuted.
Refrigerators, combustion engines, air cannons, SCUBA and submarines.
Submarines kept sinking civilian ships; un-restricted submarine warfare.