---
kind: "unit"
title: "10"
title_heading: "Armed Forces"
key: "stA/ptII/ch36/schIV"
level: "subchapter"
label: "Subchapter IV"
heading: "Continuation on Active Duty and Selective Early Retirement"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/10/stA-ptII-ch36-schIV"
sections_count: 7
---

# Subchapter IV — Continuation on Active Duty and Selective Early Retirement

Title 10 — Armed Forces › Subtitle A — General Military Law › Part II — Personnel › Chapter 36 — Promotion, Separation, and Involuntary Retirement of Officers on the Active-Duty List

## Sections

- [§637. Selection of regular officers for continuation on active duty](/usc/10/637.md)
- [§637a. Continuation on active duty: officers in certain military specialties and career tracks](/usc/10/637a.md)
- [§638. Selective early retirement](/usc/10/638.md)
- [§638a. Modification to rules for continuation on active duty; enhanced authority for selective early retirement and early discharges](/usc/10/638a.md)
- [§638b. Voluntary retirement incentive](/usc/10/638b.md)
- [§639. Continuation on active duty to complete disciplinary action](/usc/10/639.md)
- [§640. Deferment of retirement or separation for medical reasons](/usc/10/640.md)