Duty code, Restricted Line duty code, Staff Corps code, Limited Duty code, Warrant Officer code, and any other military specialty or military occupational specialty of the Navy, in the case of the Navy. (3) An Air Force Specialty Code (AFSC) and any other military specialty or military occupational specialty of the Air Force, in the case of the Air Force. (4) A Military Occupational Speciality Code (MOS) and any other military specialty or military occupational specialty of the Marine Corps, in the case of the Marine Corps. (c) Chief of Staff for Marine Corps For purposes of this section, the Commandant of the Marine Corps shall be deemed to be the Chief of Staff of the Marine Corps. (d) Gender integration Nothing in this section shall be construed to terminate, alter, or revise the authority of the Secretary of Defense to establish, approve, modify, or otherwise regulate gender-based criteria, standards, and qualifications for military specialties within the Armed Forces. 518. Confidential review of characterization of terms of discharge of members of the Armed Forces who are survivors of sexual assault (a) Codification of current confidential process (1) Codification Chapter 79 of title 10, United States Code, is amended by inserting after section 1554a a new section 1554b consisting of— (A) a heading as follows: 1554b. Confidential review of characterization of terms of discharge of members of the armed forces who are survivors of sex-related offenses