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A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability.
3 mag 2024 · Submarine, any naval vessel that is capable of propelling itself beneath the water as well as on the water’s surface. This is a unique capability among warships, and submarines are quite different in design and appearance from surface ships. Submarines first became a major factor in naval warfare.
The history of the submarine goes back to antiquity. Humanity has employed a variety of methods to travel underwater for exploration, recreation, research and significantly, warfare. While early attempts, such as those by Alexander the Great, were rudimentary, the advent of new propulsion systems, fuels, and sonar, propelled an ...
13 mag 2024 · Nuclear submarine, submarine that relies on a nuclear reactor to drive its propulsion system. A nuclear submarine may or may not be armed with nuclear weapons. The chief advantages afforded by nuclear power are increased speed (allowing submerged submarines to keep up with fast surface ships) and
Submarines. US billionaire plans submersible trip to Titanic wreck. US & Canada. 2d. 2000: Rescuers race to save stricken Kursk submarine. BBC. 15 May. 1:56. Trident missile test fails for second ...
Il 26 febbraio 2021 è stato firmato a Roma il contratto tra l'Organizzazione Internazionale per gli Armamenti OCCAR (Organisation Conjointe de Cooperation en matiere d'ARmement) e FINCANTIERI per la realizzazione di due nuovi sottomarini, più due in opzione, per la Marina militare denominati U212NFS (U212 Near Future Submarine).
24 nov 2021 · New Submarines Compared: Columbia Class, Dreadnought Class And SNLE-3G. Ballistic Missile Submarines (SSBNs) form the backbone of nuclear deterrents. Yet the types in service with NATO navies, the U.S., U.K., and France, are reaching the ends of their service lives. The new submarines which are being built to succeed them should keep ...
