Is MCO 3300.4A current?

MCO 3300.4A is listed as current in the MCPEL catalog (publication date 2014-01-09).

Where do I download the official MCO 3300.4A?

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

MCO 3300.4A — MARINE CORPS LAW OF WAR PROGRAM

MCO 3300.4A is listed as current Current
in the MCPEL catalog as of our last index refresh (2026-07-11). Note: its publication date is 2014-01-09 — 12 years old — so check for newer interim changes before citing it.

Branch	U.S. Marine Corps
Series	MCO
Publication date	2014-01-09 (12.5 years ago)
Status	Current
Proponent / OPR	Not listed
Source of record	MCPEL

Official document (MCPEL)

Watch this publication

Get an email if MCO 3300.4A is revised, superseded, or rescinded.

Nearby in the MCO series

MCO 3120.8A — POLICY FOR THE ORGANIZATION OF FLEET MARINE FORCES FOR COMBAT Current
MCO 3125.1B — MARINE CORPS FLYING HOUR PROGRAM (FHP) MANAGEMENT Current
MCO 3150.4A — MARINE CORPS DIVING POLICY AND PROGRAM ADMINISTRATION Current
MCO 3311.2A — MARINE CORPS TACTICAL AIR CONTROL PARTY (TACP) PROGRAM Current
MCO 3400.11 — COUNTERING WEAPONS OF MASS DESTRUCTION (CWMD) POLICY 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 3300.4A in an official product.