10 U.S.C. § 8384 - U.S. Code - Unannotated Title 10. Armed Forces § 8384. Promotion of retired members to higher enlisted grades: retention of grade upon release from active duty

When on active duty, retired enlisted members of the Navy or the Marine Corps are eligible for promotion to higher enlisted grades or ratings. When released from active duty, they shall, unless entitled to a higher grade under another provision of law, retain the grades or ratings they hold at the time of their release.