Department of the Navy is the executive part of the Department of the Navy at the seat of government; the headquarters, United States Marine Corps; the entire operating forces of the United States Navy and of the United States Marine Corps, including the Reserve Component of such forces; all field activities, headquarters, forces, bases, installations, activities, and functions under the control or supervision of the Secretary of the Navy; and the United States Coast Guard when operating as a part of the Navy pursuant to law. Also called DON.
Definition