The United States Navy is the naval warfare branch of the U.S. Armed Forces. It is responsible for protecting the country's interests at sea and ensuring maritime security. The Navy operates a variety of ships, submarines, and aircraft, allowing it to conduct missions around the world. Its personnel, known as sailors, are trained to handle various tasks, from combat operations to humanitarian assistance. Founded in 1775, the Navy has played a crucial role in many historical events, including both World Wars and modern conflicts. Today, it continues to adapt to new challenges, focusing on technology and international cooperation to maintain peace and stability on the oceans.