(a) Except as provided in section 1186 of this title, a commissioned officer of the Army who has at least 40 years of service computed under section 7326 of this title shall be retired upon his request.
(b) Any warrant officer of the Army who has at least 40 years of service computed under section 7326(a) of this title shall be retired upon his request.
Structure US Code
CHAPTER 741— RETIREMENT FOR LENGTH OF SERVICE
§ 7311. Twenty years or more: regular or reserve commissioned officers
§ 7314. Twenty to thirty years: enlisted members
§ 7317. Thirty years or more: regular enlisted members
§ 7318. Thirty years or more: regular commissioned officers
§ 7321. Mandatory retirement: Superintendent of the United States Military Academy; waiver authority
§ 7324. Forty years or more: Army officers
§ 7325. Computation of years of service: voluntary retirement; enlisted members