Is MCO 6220.1 current?

MCO 6220.1 is listed as current in the MCPEL catalog (publication date 2009-11-06).

Where do I download the official MCO 6220.1?

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

MCO 6220.1 — USMC PANDEMIC INFLUENZA (PI) RESPONSE PLAN

MCO 6220.1 is listed as current Current
in the MCPEL catalog as of our last index refresh (2026-07-11). Note: its publication date is 2009-11-06 — 17 years old — so check for newer interim changes before citing it.

Branch	U.S. Marine Corps
Series	MCO
Publication date	2009-11-06 (16.7 years ago)
Status	Current
Proponent / OPR	Not listed
Source of record	MCPEL

Official document (MCPEL)

Watch this publication

Get an email if MCO 6220.1 is revised, superseded, or rescinded.

Nearby in the MCO series

MCO 6100.13A W/ADMIN CH-5 — MARINE CORPS PHYSICAL FITNESS AND COMBAT FITNESS TESTS (PFT/CFT) Current
MCO 6100.14 — MARINE CORPS PHYSICAL FITNESS PROGRAM (MCPFP) Current
MCO 6110.3A W/ADMIN CH-4 — MARINE CORPS BODY COMPOSITION AND MILITARY APPEARANCE PROGRAM Current
MCO 6220.2 — DISEASE CONTAINMENT PLANNING GUIDANCE Current
MCO 6260.3A — MARINE CORPS HEARING CONSERVATION PROGRAM 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 6220.1 in an official product.