Submarine

Submarine

A submarine is a watercraft capable of independent operation underwater. The term "submarine" is also sometimes used historically or informally to refer to remotely operated vehicles and robots, or to medium-sized or smaller vessels. Submarines are referred to as boats rather than ships regardless of their size. Although experimental submarines had been built earlier, submarine design took off during the 19th century, and submarines were adopted by several navies. They were first used widely during World War I, and are now used in many navies, large and small. Their military uses include: attacking enemy surface ships or other submarines; aircraft carrier protection; blockade running; nuclear deterrence; stealth operations in denied areas when gathering intelligence and doing reconnaissance; denying or influencing enemy movements; conventional land attacks; and covert insertion of frogmen or special forces.

Data Source : Wikipedia

• Entity:  Machine

• Wikidata description:  Watercraft Capable Of Independent Operation Underwater
• Wikidata label:  Submarine
• Wikidata aliases:  Submarine, Sub

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