The Imperial Navy refers to the naval forces of an empire, typically responsible for protecting maritime interests, conducting naval warfare, and supporting ground forces. It operates a fleet of ships, submarines, and aircraft, ensuring the security of trade routes and territorial waters. The structure and capabilities of an Imperial Navy can vary significantly depending on the empire's size and resources. Historically, various empires, such as the British Empire and the Roman Empire, maintained powerful navies to project their influence and control over vast territories. These naval forces played crucial roles in exploration, colonization, and military conflicts, shaping global trade and geopolitics.