---
kind: "section"
citation: "10 U.S.C. § 506"
title: "10"
title_heading: "Armed Forces"
number: "506"
heading: "Regular components: extension of enlistments during war"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/10/506"
units:
  - "Subtitle A — General Military Law"
  - "Part II — Personnel"
  - "Chapter 31 — Enlistments"
---

# §506. Regular components: extension of enlistments during war


An enlistment in the [Regular](/usc/10/101.md?p=b-12) Army, [Regular](/usc/10/101.md?p=b-12) Navy, [Regular](/usc/10/101.md?p=b-12) Air Force, [Regular](/usc/10/101.md?p=b-12) Marine Corps, Space Force, or [Regular](/usc/10/101.md?p=b-12) Coast Guard in effect at the beginning of a war, or entered into during a war, unless sooner terminated by the President, continues in effect until six months after the termination of that war.


## Source credit

(Added Pub. L. 90–235, § 2(a)(1)(B), Jan. 2, 1968, 81 Stat. 754; amended Pub. L. 116–283, div. A, title IX, § 924(b)(5)(B), Jan. 1, 2021, 134 Stat. 3822; Pub. L. 118–31, div. A, title XVII, § 1717(b)(3), Dec. 22, 2023, 137 Stat. 655.)

## Notes

### Editorial Notes

### Codification

Another section 506 was renumbered section 500f of this title.

### Amendments

2023—Pub. L. 118–31 struck out “Regular” before “Space Force”.

2021—Pub. L. 116–283 substituted “Regular Marine Corps, Regular Space Force,” for “Regular Marine Corps,”.

### Statutory Notes and Related Subsidiaries

### Transfer of Functions

For transfer of authorities, functions, personnel, and assets of the Coast Guard, including the authorities and functions of the Secretary of Transportation relating thereto, to the Department of Homeland Security, and for treatment of related references, see sections 468(b), 551(d), 552(d), and 557 of Title 6, Domestic Security, and the Department of Homeland Security Reorganization Plan of November 25, 2002, as modified, set out as a note under section 542 of Title 6.