World Library  
Flag as Inappropriate
Email this Article


Marines in MOPP 4 gear during Operation Iraqi Freedom

MOPP (Mission Oriented Protective Posture) (acronym pronounced as "mop") is a protective gear used by military personnel in a toxic environment, e.g., during a chemical, biological, radiological, or nuclear (CBRN) strike:

  • Mask carrier — Protects the mask from damage. It is usually worn as part of battle gear for easy access and usually contains a technical manual, extra filter, spare parts, chemical detection papers, and nerve agent antidote kits (NAAK).
  • Protective mask — Commonly referred to as a gas mask or pro mask. It is designed to filter harmful chemical and biological agents, as well as irradiated particles from the air to allow the wearer to breathe safely. No protective masks filter out gases such as carbon monoxide, and in situations requiring that level of protection, external breathing apparatus is employed.
  • Over garments — Joint Service Lightweight Integrated Suit Technology (JSLIST) Specially designed clothing to be worn over the normal uniform. These garments are designed to allow maximum airflow for cooling while keeping chemical and biological agents from reaching the skin of the wearer. Some are equipped with a charcoal lining to neutralize some agents. Military personnel often equip over garments with strips of M9 Detector Paper to identify chemical agents on the battlefield they might come in contact with.
  • M9 Detector paper is worn to detect chemical liquid agents that a soldier may brush against while in MOPP gear. It is worn in three different area of the suit. It is worn on your dominant arm, bicep area, on the wrist of your opposite arm, and on your dominant leg, shin area. It is also placed on lower levels of your vehicles for detection purposes.
  • Gloves and overboots — (JSLIST) Highly durable rubber, designed with combat operations in mind. Used to prevent contact with agents.


  • MOPP protection levels 1
  • See also 2
  • References 3
  • External links 4

MOPP protection levels

Each MOPP level corresponds to an increasing level of protection. The readiness level will usually be dictated by the in-theatre commander. [1][2]

  • MOPP Ready — Protective mask is carried. First set of suit, gloves, and boots are available within two hours, second set within six hours.
  • MOPP Level 0 — Protective mask carried. Suit, gloves, and boots accessible/available.
  • MOPP Level 1 — Suit worn. Mask, gloves and boots carried.
  • MOPP Level 2 — Suit and boots worn. Gloves and mask carried.
  • MOPP Level 3 — Suit, boots and mask worn. Gloves carried.
  • MOPP Level 4 — All protection worn.

See also


  1. ^ FM 3-4 Chptr 2 MOPP Analysis
  2. ^ 5 Levels of MOPP (

External links

  • Mission-Oriented Protective Postures (MOPP)
This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.

Copyright © World Library Foundation. All rights reserved. eBooks from World eBook Library are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.