S.C. Code Ann. § 25-1-2450
1. The adjutant general shall appoint an officer of the military forces as state judge advocate. To be eligible for appointment, an officer must be a member of the South Carolina bar. The state judge advocate shall hold such military grade and rank as designated by the adjutant general.
2. The adjutant general shall appoint judge advocates and legal officers who shall serve under the supervision of the state judge advocate.
3. To be eligible for appointment, judge advocates or legal officers must be members of the South Carolina bar.
4. The state judge advocate or his assistants shall make frequent inspections in the field of supervision of the administration of military justice.
5. Convening authorities shall at all times communicate directly with the state judge advocate or with judge advocates within their command in matters relating to the administration of military justice.
No person who has acted as member, military judge, trial counsel, assistant trial counsel, defense counsel, assistant defense counsel, or investigating officer in any case may later act as staff judge advocate or legal officer to any reviewing authority upon the same case.