Except as provided under section 637(b) or 637a of this title, each officer of the Regular Army, Regular Air Force, Regular Marine Corps, or Regular Space Force who holds the regular grade of brigadier general, and each officer of the Regular Navy who holds the regular grade of rear admiral (lower half), who is not on a list of officers recommended for promotion to the regular grade of major general or rear admiral, respectively, shall, if not earlier retired, be retired on the first day of the first month beginning after the date of the fifth anniversary of his appointment to that grade or on the first day of the month after the month in which he completes 30 years of active commissioned service, whichever is later.
10 U.S. Code § 635 - Retirement for years of service: regular brigadier generals and rear admirals (lower half)
2021—Pub. L. 116–283 substituted “Regular Marine Corps, or Regular Space Force” for “or Regular Marine Corps”.
2016—Pub. L. 114–328 inserted “or 637a” after “637(b)”.
1985—Pub. L. 99–145 substituted “rear admirals (lower half)” for “commodores” in section catchline and “rear admiral (lower half)” for “commodore” in text.
1984—Pub. L. 98–525 substituted “30” for “thirty”.
1981—Pub. L. 97–86 substituted “commodores” for “commodore admirals” in section catchline and “commodore” for “commodore admiral” in text.
Amendment by Pub. L. 97–86 effective Sept. 15, 1981, see section 405(f) of Pub. L. 97–86, set out as a note under section 101 of this title.
Section effective Sept. 15, 1981, but the authority to prescribe regulations under this section effective on Dec. 12, 1980, see section 701 of Pub. L. 96–513, set out as an Effective Date of 1980 Amendment note under section 101 of this title.