![In Mission-Oriented Protective Posture response level 4 (MOPP-4) gear, to include the MCU-2A protective mask, an airman completes a sweep of the area under a step van looking for any unexploded ordinances In Mission-Oriented Protective Posture response level 4 (MOPP-4) gear, to include the MCU-2A protective mask, an airman completes a sweep of the area under a step van looking for any unexploded ordinances](https://cdn10.picryl.com/photo/2001/05/02/in-mission-oriented-protective-posture-response-level-4-mopp-4-gear-to-include-5314d6-1024.jpg)
In Mission-Oriented Protective Posture response level 4 (MOPP-4) gear, to include the MCU-2A protective mask, an airman completes a sweep of the area under a step van looking for any unexploded ordinances
![Soldiers wearing Mission-Oriented Protective Posture response level 4 (MOPP-4) gear spray a truck with a decontamination solution during Nuclear, Biological, Chemical training - NARA & DVIDS Public Domain Archive Public Domain Search Soldiers wearing Mission-Oriented Protective Posture response level 4 (MOPP-4) gear spray a truck with a decontamination solution during Nuclear, Biological, Chemical training - NARA & DVIDS Public Domain Archive Public Domain Search](https://cdn10.picryl.com/photo/1989/02/14/soldiers-wearing-mission-oriented-protective-posture-response-level-4-mopp-c99d7c-1600.jpg)
Soldiers wearing Mission-Oriented Protective Posture response level 4 (MOPP-4) gear spray a truck with a decontamination solution during Nuclear, Biological, Chemical training - NARA & DVIDS Public Domain Archive Public Domain Search
![Completing his Mission-Oriented Protective Posture response level 4 (MOPP-4) suit, US Air Force (USAF) AIRMAN First Class (A1C) Chad R. Lynch, 31st Civil Engineer Squadron (CES), Rapid Runway Response (RRR) team member Completing his Mission-Oriented Protective Posture response level 4 (MOPP-4) suit, US Air Force (USAF) AIRMAN First Class (A1C) Chad R. Lynch, 31st Civil Engineer Squadron (CES), Rapid Runway Response (RRR) team member](https://cdn10.picryl.com/photo/2002/11/20/completing-his-mission-oriented-protective-posture-response-level-4-mopp-4-40dcc6-1600.jpg)
Completing his Mission-Oriented Protective Posture response level 4 (MOPP-4) suit, US Air Force (USAF) AIRMAN First Class (A1C) Chad R. Lynch, 31st Civil Engineer Squadron (CES), Rapid Runway Response (RRR) team member
![Soldier demonstrates MOPP (Mission Oriented Protective Posture) gear, Stock Photo, Picture And Rights Managed Image. Pic. G01-245424 | agefotostock Soldier demonstrates MOPP (Mission Oriented Protective Posture) gear, Stock Photo, Picture And Rights Managed Image. Pic. G01-245424 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/1182ff9d9215b7b4085b0b875f6c1228/g01-245424.jpg)
Soldier demonstrates MOPP (Mission Oriented Protective Posture) gear, Stock Photo, Picture And Rights Managed Image. Pic. G01-245424 | agefotostock
![File:US Navy 100806-N-9564W-089 Seabees run in place in full mission oriented protective posture (MOPP) gear and gas masks during a battalion readiness exercise at Naval Construction Battalion Center, Gulfport.jpg - Wikimedia Commons File:US Navy 100806-N-9564W-089 Seabees run in place in full mission oriented protective posture (MOPP) gear and gas masks during a battalion readiness exercise at Naval Construction Battalion Center, Gulfport.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/3/3e/US_Navy_100806-N-9564W-089_Seabees_run_in_place_in_full_mission_oriented_protective_posture_%28MOPP%29_gear_and_gas_masks_during_a_battalion_readiness_exercise_at_Naval_Construction_Battalion_Center%2C_Gulfport.jpg)