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HMS Vigilant in the River Clyde

A submarine is a wattercraft capable o independent operation unnerwatter. It differs frae a submersible, which haes mair leemitit unnerwatter capability.

Pouer[eedit | eedit soorce]

A submarine is uisually pouered underwater bi electric motors fed frae a rechairgeable battery. The battery can be rechairged bi an electric generator, driven bi a diesel ingine, when the submarine is on the surface.

Some submarines are operated bi nuclear pouer.