Subchapter IV - CONTINUATION ON ACTIVE DUTY AND SELECTIVE EARLY RETIREMENT

Section 637 - Selection of regular officers for continuation on active duty
Section 637a - Continuation on active duty: officers in certain military specialties and career tracks
Section 638 - Selective early retirement
Section 638a - Modification to rules for continuation on active duty; enhanced authority for selective early retirement and early discharges
Section 638b - Voluntary retirement incentive
Section 639 - Continuation on active duty to complete disciplinary action
Section 640 - Deferment of retirement or separation for medical reasons