How has submarines changed over the years?

Submarines have evolved significantly from their early designs, transitioning from simple, hand-cranked vessels to advanced nuclear-powered ships capable of long-duration missions. Modern submarines feature sophisticated stealth technology, enabling them to evade detection, as well as advanced sonar and communication systems for enhanced situational awareness. Additionally, they are equipped with advanced weaponry, including guided missiles, which expand their tactical capabilities. Overall, these advancements have transformed submarines into crucial assets for naval warfare and strategic deterrence.