The Secretary of the Navy is a high-ranking official in the United States government responsible for overseeing the operations and administration of the U.S. Navy and U.S. Marine Corps. This position is part of the Department of Defense and involves managing budgets, personnel, and policies related to naval forces. The Secretary is appointed by the President of the United States and serves as a key advisor on naval matters. They work closely with the Chief of Naval Operations and the Commandant of the Marine Corps to ensure the readiness and effectiveness of naval forces in defense of the nation.