10 U.S.C. § 5045
Section 5045 · Deputy Commandants
Current version, with additions and removals from the October 1, 1986 version.
There are in the Headquarters, Marine Corps, a Chief of Staff, not more than five seven Deputy Chiefs of Staff, and not more than three Assistant Chiefs of Staff, Commandants, detailed by the Secretary of the Navy from officers on the active-duty list of the Marine Corps.