MCO 3400.11 — Countering Weapons Of Mass Destruction (cwmd) Policy

MCO 3400.11 governs Marine Corps policies and programs for operations supporting countering weapons of mass destruction activities.

Search MCO 3400.11

  • Publication number: MCO 3400.11
  • Title: COUNTERING WEAPONS OF MASS DESTRUCTION (CWMD) POLICY
  • Date: 13 Feb 2019
  • Proponent: 03000 Operations & Readiness
  • Status: Current

View MCO 3400.11 on armypubs.army.mil


It defines the Marine Corps role in CWMD, including strategic, operational, and tactical views, MAGTF missions, and staff education. It aligns organizational roles, integrates CWMD scenarios into exercises, and addresses training in CBRN environments.

Applies to: This Order is applicable to the Marine Corps Total Force.

Topics covered

  • Countering weapons of mass destruction policy
  • CWMD strategic objectives
  • MAGTF force projection
  • MAGTF force application
  • MAGTF force protection
  • CBRN mission training
  • CWMD education opportunities

Questions and answers

How must PII collected under MCO 3400.11 be handled?

All collection, use, maintenance, or dissemination of PII will be in accordance with the Privacy Act of 1974, as amended (reference (h) and implemented per reference (i)). (paragraph 4)

How must records created under MCO 3400.11 be managed?

Records created as a result of this Order shall be managed according to National Archives and Records Administration approved dispositions per references (j) and (k) to ensure proper maintenance, use, accessibility and preservation, regardless of format or medium. (paragraph 4)

Does CWMD require the Marine Corps to develop new mission essential tasks?

CWMD does not require, nor does this Order direct or imply, the Marine Corps to develop new METs or to field new capabilities specific to CWMD to enable mission success. (paragraph 3)

What is the Marine Corps objective for CWMD missions?

The objective is not the execution of a “CWMD mission” but the execution of MAGTF core METs that support the achievement of a CWMD objective. (paragraph 2)

What training supports CWMD mission success?

Training units to conduct core METs in CBRN environments is one method to support mission success to achieve CWMD objectives. (paragraph 5)

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