Is MCO 5090.2 current?

MCO 5090.2 is listed as current in the MCPEL catalog (publication date 2018-06-11).

Where do I download the official MCO 5090.2?

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

MCO 5090.2 — ENVIRONMENTAL COMPLIANCE AND PROTECTION PROGRAM

MCO 5090.2 is listed as current Current
in the MCPEL catalog as of our last index refresh (2026-07-11). Note: its publication date is 2018-06-11 — 8 years old — so check for newer interim changes before citing it.

Branch	U.S. Marine Corps
Series	MCO
Publication date	2018-06-11 (8.1 years ago)
Status	Current
Proponent / OPR	Not listed
Source of record	MCPEL

Official document (MCPEL)

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Get an email if MCO 5090.2 is revised, superseded, or rescinded.

Nearby in the MCO series

MCO 5050.13 — TRAVEL TO NORWAY IN USMC PREPOSITIONING Current
MCO 5060.19C — AWARD OF THE TITLE HONORARY MARINE Current
MCO 5060.20 — MARINE CORPS DRILL AND CEREMONIES MANUAL Current
MCO 5090.4A — CONSERVATION LAW ENFORCEMENT PROGRAM Current
MCO 5100.29C VOLUMES 1-9 w/CH-2 — MARINE CORPS SAFETY MANAGEMENT SYSTEM (MCSMS) 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 5090.2 in an official product.