US Code
CHAPTER 815— ORIGINAL APPOINTMENTS
§ 8135. Regular Marine Corps: order of filling vacancies in grade of second lieutenant

Vacancies on the active-duty list of the Marine Corps in the grade of second lieutenant shall be filled, so far as practicable, first, from members of the graduating class of the Naval Academy; second, from meritorious noncommissioned officers of the Regular Marine Corps; and third, from other persons.