
Nuclear Submarine
A nuclear submarine is a type of underwater vessel powered by nuclear reactors, which generate heat to produce electricity. This technology allows the submarine to operate underwater for extended periods—months without surfacing—unlike conventional submarines that rely on batteries or diesel engines. Nuclear submarines are used primarily for defense, capable of stealthy navigation and long-range missions, including surveillance, deterrence, and strategic deterrent roles like carrying ballistic missiles. Their nuclear propulsion provides high speed and endurance, making them a vital component of modern naval forces.