The Naval Submarine Service is a branch of the military focused on operating submarines. These vessels are designed for underwater warfare, surveillance, and reconnaissance missions. Submarines can remain submerged for extended periods, allowing them to carry out secret operations and gather intelligence without detection. Members of the Naval Submarine Service undergo specialized training to handle the unique challenges of underwater operations. They learn about submarine systems, navigation, and combat tactics. The service plays a crucial role in national defense, providing strategic capabilities that enhance maritime security and deterrence against potential threats.