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 to conduct operations on and under the water, as well as in the air. Founded in 1775, the Navy has played a crucial role in many conflicts, including the American Revolutionary War and both World Wars. Today, it focuses on deterrence, maritime security, and humanitarian assistance, ensuring a strong naval presence globally.