Is MCO 3440.8B current?

MCO 3440.8B is listed as current in the MCPEL catalog (publication date 2026-04-10).

Where do I download the official MCO 3440.8B?

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

MCO 3440.8B — INSTALLATION CHEMICAL, BIOLOGICAL, RADIOLOGICAL, NUCLEAR AND HIGH-YIELD EXPLOSIVES (CBRNE) PREPAREDNESS

MCO 3440.8B 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	2026-04-10 (0.3 years ago)
Status	Current
Proponent / OPR	Not listed
Source of record	MCPEL

Official document (MCPEL)

Watch this publication

Get an email if MCO 3440.8B is revised, superseded, or rescinded.

Nearby in the MCO series

MCO 3430.2D — POLICY FOR ELECTROMAGNETIC WARFARE Current
MCO 3440.10 — MARINE CORPS EMERGENCY MANAGEMENT POLICY Current
MCO 3440.7C — MARINE CORPS ROLES AND RESPONSIBILITIES IN DEFENSE SUPPORT OF CIVIL AUTHORITIES (DSCA) Current
MCO 3440.9 W/ ADMIN CH — MARINE CORPS INSTALLATION EMERGENCY MANAGEMENT (IEM) PROGRAM Current
MCO 3460.3 — POLICY FOR PERSONNEL RECOVERY (PR) 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 3440.8B in an official product.