The U.S. Navy is the naval warfare branch of the United States Armed Forces. It is responsible for maintaining the freedom of the seas and protecting U.S. interests around the world. The Navy operates a variety of ships, submarines, and aircraft, and its personnel are trained for various missions, including combat, humanitarian assistance, and disaster relief. Founded in 1775, the Navy has played a crucial role in many historical conflicts, including the American Revolutionary War and both World Wars. Today, it continues to adapt to modern challenges, focusing on maritime security, power projection, and international partnerships.