MOPP Levels

Question 1

Ship Protection?

Answer 1

Countermeasure Washdown (CMWDS)
Ventilation Management
Collective Protection
Mission Oriented Protective Posture

Question 2

Individual Protection?

Answer 2

Mask
CPO Suit
Medical antidotes

Question 3

Countermeasure Washdown (CMWDS)?

Answer 3

First line of defense
Removal of chemical agents (Liquid up to 95%, and some vapors)
Removal of biological agents (Wet, Dry)

Question 4

Ships Protection?

Answer 4

Before attack:
Set Circle William
After the attack:
Leave contaminated area!
Test Intakes (operational decon as necessary)
Relax Circle William
Purge Ship “Rule of 6”
Retest with M256A1 (twice)

Question 5

Definition of Mission Oriented Protective Posture (MOPP)

Answer 5

Management system for coordinating the effects of individual and collective protection, and shipboard systems as a timely and effective countermeasure against the entire spectrum of the CBR threat.

Question 6

How many levels of MOPP threat are there?

Answer 6

4

Question 7

MOPP 0?

Answer 7

NO CBR THREAT
Key Actions:
Inventory of CBR equipment and storage in Chemical Storeroom

Question 8

MOPP 1?

Answer 8

CBR THREAT IS SUSPECTED
Key Actions:
Issue protective equipment
protective masks fitted
Inventory of CBR equipment
Verify CBR teams and training

Question 9

MOPP 2?

Answer 9

CBR THREAT IS POSSIBLE
Key Actions:
Mask carrier worn
Designate decon stations
Operational test of CMWDS
Operational test of alarms
Post M8 & M9 Paper

Question 10

MOPP 3?

Answer 10

CBR THREAT IS PROBABLE
Key Actions:
Install new mask filter canisters
Don CPO trousers and smock
Don protective overboots
Issue ACPG suits
Set general quarters
Set material condition Zebra
Activate CMWDS intermittently
Strike below all porous materials

Question 11

MOPP 4?

Answer 11

CBR THREAT IS IMMINENT!!
Key Actions:
Sound Alarm
Don mask, hood and gloves
Implement mandatory water drinking
Set circle william
Initiate continuous monitoring
Continuous CMWD

Question 12

Individual - Mask Only Posture?

Answer 12

Mask-only posture can be used on:
Non-CPS ships
CO can authorize if;
1st - No liquid contamination present
2nd - No blister vapors present
CPS ships
Danger of hull penetration
Never used on weather deck

Question 13

What are the 3 levels of restoring operations?

Answer 13

Limited Operational:
Reduces spread of contamination
Mission essential areas
No reduction of MOPP
Operationally Complete:
Can reduce MOPP
Chemically Complete:
Shipyard