---
kind: "section"
citation: "10 U.S.C. § 12309"
title: "10"
title_heading: "Armed Forces"
number: "12309"
heading: "Reserve officers: use of in expansion of armed forces"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/10/12309"
units:
  - "Subtitle E — Reserve Components"
  - "Part II — Personnel Generally"
  - "Chapter 1209 — Active Duty"
---

# §12309. Reserve officers: use of in expansion of armed forces


When an expansion of the active [armed forces](/usc/10/101.md?p=a-4) requires that [officers](/usc/10/101.md?p=b-1) of the [reserve](/usc/10/101.md?p=c-6) components who are not members of units organized to serve as such be ordered as individuals to [active duty](/usc/10/101.md?p=d-1) (other than for training) without their consent, the services of qualified and available [reserve](/usc/10/101.md?p=c-6) [officers](/usc/10/101.md?p=b-1) in all [grades](/usc/10/101.md?p=b-7) shall be used, so far as practicable, according to the needs of the branches, [grades](/usc/10/101.md?p=b-7), or specialties concerned.


## Source credit

(Aug. 10, 1956, ch. 1041, 70A Stat. 29, § 677; renumbered § 12309, Pub. L. 103–337, div. A, title XVI, § 1662(e)(2), Oct. 5, 1994, 108 Stat. 2992.)

## Notes

| Historical and Revision Notes |  |  |
| --- | --- | --- |
| Revised section | Source (U.S. Code) | Source (Statutes at Large) |
| 677 | 50:961(f). | July 9, 1952, ch. 608, § 233(f), 66 Stat. 490. |

The words “without their consent” are substituted for the word “involuntarily”. The words “it shall be the policy” are omitted as surplusage. The words “to active duty (other than for training)” are substituted for the words “into the active military service”.

### Editorial Notes

### Amendments

1994—Pub. L. 103–337 renumbered section 677 of this title as this section.