A submarine is a watercraft capable of underwater operation. It is used by navies for defence and surveillance. Submarines can also conduct research and exploration. They are designed to withstand high pressure and are equipped with advanced technology. Some submarines are nuclear-powered, allowing for extended missions. Their stealth capabilities make them vital in modern warfare.
Recently, India marked an important milestone in its defence capabilities with the launch of the S4* nuclear-powered ballistic missile submarine at the Ship Building Center in Visakhapatnam. This...
