§ 12641. Standards and procedures: Secretary to prescribe

§ 12642. Standards and qualifications: result of failure to comply with

§ 12643. Boards for appointment, promotion, and certain other purposes: composition

§ 12644. Members physically not qualified for active duty: discharge or transfer to retired status

§ 12645. Commissioned officers: retention until completion of required service

§ 12646. Commissioned officers: retention of after completing 18 or more, but less than 20, years of service

§ 12647. Commissioned officers: retention in active status while assigned to Selective Service System or serving as United States property and fiscal officers