of the Marine Corps. Composition The Department of the Navy comprises two uniformed services: the United States Navy and the United States Marine Corps (sometimes collectively called the "naval services" or "sea services"). The Department of the Navy consists of all elements of the United States Navy and the United States Marine Corps. According to Navy Regulations Section 0204-2, the term "Navy Department" refers only to the executive offices at the seat of government. The Department of the Navy is composed of the following: All field activities, headquarters, forces, bases, installations, activities, and functions under the control or supervision of the Secretary of the Navy; and When it is operating as a service in the Navy Department, the Coast Guard. (Ordinarily part of the Department of Homeland Security, federal law provides that the Coast Guard may be transferred to the Department of the Navy by the President at any time, or by Congress during time of war) Headquarters Marine Corps; Office of the Chief of Naval Operations, also known as OPNAV or the Navy Staff; Office of the Secretary of the Navy, also known as the Secretariat; The entire operating forces of the Navy (including naval aviation) and the Marine Corps, including both the active and reserve components (the Navy Reserve and Marine Corps Reserve) of those forces. Proposed redesignation as the Department of the Navy and Marine Corps From 2001 until his death in 2019, Congressman Walter B. Jones Jr. introduced legislation to rename the Department of the Navy as the Department of the Navy and Marine Corps. The legislation would have also renamed the Secretary of the Navy to the Secretary of the Navy and Marine Corps. Congressman Jones put forward the legislation to give the Marine Corps equal recognition with the Navy as part of the Department of the Navy, stating in 2018, "The Marine Corps is an equal member of this department, and therefore, deserves equal recognition in its title." In 2013, the Congressional Budget Office estimated the cost of a name change to be only $500,000 over several years. His proposal had strong support in the House of Representatives and Senate, with 98 percent of house members and 80 percent of senators supporting it in 2008. In 2010, it set a record number for cosponsors in the House, with 415 members. The redesignation has been endorsed by Marine Corps and Navy professional associations including the