Is MCO 5231.4 current?

MCO 5231.4 is listed as current in the MCPEL catalog (publication date 2024-03-11).

Where do I download the official MCO 5231.4?

The official copy is published on MCPEL (https://www.marines.mil/News/Publications/MCPEL/).

MCO 5231.4 — MARINE CORPS DATA AND ARTIFICIAL INTELLIGENCE (AI)

MCO 5231.4 is listed as current Current
in the MCPEL catalog as of our last index refresh (2026-07-11).

Branch	U.S. Marine Corps
Series	MCO
Publication date	2024-03-11 (2.3 years ago)
Status	Current
Proponent / OPR	Not listed
Source of record	MCPEL

Official document (MCPEL)

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Get an email if MCO 5231.4 is revised, superseded, or rescinded.

Nearby in the MCO series

MCO 5230.21 — INFORMATION TECHNOLOGY PORTFOLIO MANAGEMENT Current
MCO 5230.22 — SECTION 508 ELECTRONIC AND INFORMATION TECHNOLOGY (E&IT) POLICY Current
MCO 5230.23 — PERFORMANCE MANAGEMENT PLANNING Current
MCO 5239.2B — MARINE CORPS CYBERSECURITY Current
MCO 5250.1 W/ADMIN CH-1 — HUMAN RESOURCE DEVELOPMENT PROCESS (HRDP) Current

This is an unofficial index built from the public catalog. The controlling copy is always the one on MCPEL — verify there before citing MCO 5231.4 in an official product.