Argentina had diesel-electric submarines while the British had nuclear-powered submarines.
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All submarines have storage batteries. Diesel-electric boats like the ones used during World War II are still used by the navies of some countries. Nuclear-powered submarines also have storage batteries that are used as a backup power supply if and when the sub loses the use of its steam-powered electric generators.
Nuclear submarines are powered by a nuclear reactor and they are completely independent of air, so there is no need to surface frequently.
The PLA navy has more than 225,000 personnel and is thought to have as many as 70 submarines, 10 of them nuclear-powered
USA. nuclear powered submarines can go faster than 25 knots (nautical miles per hour) underwater.
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The Los Angeles class submarine is nuclear powered.
It is doubtful. Canada has never had nuclear powered ships or subs. the current submarines (victoria class) were acquired from the UK and are desiel powered. Canada does not have any plans in the future for any nuclear power vessels.
They were powered by diesel engines and batteries. The batteries were for underwater use and the diesels propelled the sub and charged the batteries while running on the surface.
Todays Naval Submarines are either powered by a Nuclear Reactor or by Diesel Engine. Nuclear Powered Subs have the great advantage of only needing to refuel once every 20ish years. Where as Diesels can only last a matter of weeks before refuel. Diesels also have to go to periscope depth (only a few meters bellow the surface) to release fumes and take on more air, thus possibly giving away their position. This is how the majority of subs got spotted and sunk in ww2. However putting a Nuclear Reactor in a big metal tube with hundreds of men, a load of weapons and then sinking it undr the sea for months on end is a tricky business, meaning only the most well funded navys can do it (as far as I know only the UK (Royal Navy), US Navy, French and Russians use Nuclear powerd subs.