Reference & AI

MCO 1400.31D

Marine Corps

MARINE CORPS PROMOTION MANUAL, VOLUME 1, OFFICER PROMOTIONS (MARCORPROMMAN, VOL 1, OFFPROM)

Reviewed by Guilherme Correia, active-duty U.S. Air Force

MCO 1400.31D, "MARINE CORPS PROMOTION MANUAL, VOLUME 1, OFFICER PROMOTIONS (MARCORPROMMAN, VOL 1, OFFPROM)", is a United States Marine Corps publication.

Published

Not dated on the index

OPR

—

Headquarters Marine Corps

Official document

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on www.marines.mil

MCO 1400.31D — index record

NumberMCO 1400.31D
TitleMARINE CORPS PROMOTION MANUAL, VOLUME 1, OFFICER PROMOTIONS (MARCORPROMMAN, VOL 1, OFFPROM)
Published
Issued byHeadquarters Marine Corps
Status on the indexCurrent
Source indexMarine Corps Publications Electronic Library (MCPEL)
Index last readOctober 20, 2026

Copied from Marine Corps Publications Electronic Library (MCPEL) (index). The publication itself is the authority; this page does not summarize or interpret it. Verify the current edition on the index before acting.

Synopsis as published on the index

To promulgate the basic instructions relating to the administration of officer promotions in the United States Marine Corps.

Quoted verbatim from the Marine Corps Publications Electronic Library (MCPEL) entry (source).

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REF: MCO 1400.31D

Marine Corps Publications Electronic Library (MCPEL) — MCO 1400.31D

This is an index record, not the publication. The official PDF is the authority; verify the current edition before acting.

Reviewed by Guilherme Correia · Military Toolkit editorial

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