U.S. Department of the Navy

The U.S. Department of the Navy is a branch of the U.S. federal government responsible for naval military operations, ships, submarines, aircraft, and personnel. It oversees the Navy and Marine Corps, ensuring national security at sea, supporting military readiness, and providing maritime defense. The department also handles research, development, and procurement of naval technology and equipment. Led by the Secretary of the Navy, it works closely with other military and government agencies to protect U.S. interests worldwide and maintain maritime superiority.