![U.S. Air Force Airmen inventory their Mission-Oriented Protective Posture gear during an exercise Feb. 7, 2017, at Kadena Air Base, Japan. This is the first time Kadena has added issuing members' real-world U.S. Air Force Airmen inventory their Mission-Oriented Protective Posture gear during an exercise Feb. 7, 2017, at Kadena Air Base, Japan. This is the first time Kadena has added issuing members' real-world](https://c8.alamy.com/comp/MPD6T2/us-air-force-airmen-inventory-their-mission-oriented-protective-posture-gear-during-an-exercise-feb-7-2017-at-kadena-air-base-japan-this-is-the-first-time-kadena-has-added-issuing-members-real-world-mopp-gear-during-a-readiness-exercise-us-air-force-photo-by-airman-1st-class-corey-m-pettisreleased-MPD6T2.jpg)
U.S. Air Force Airmen inventory their Mission-Oriented Protective Posture gear during an exercise Feb. 7, 2017, at Kadena Air Base, Japan. This is the first time Kadena has added issuing members' real-world
![With both dressed in Mission-Oriented Protective Posture response level 4 ( MOPP-4) chemical gear, MASTER With both dressed in Mission-Oriented Protective Posture response level 4 ( MOPP-4) chemical gear, MASTER](https://cdn10.picryl.com/photo/2001/04/19/with-both-dressed-in-mission-oriented-protective-posture-response-level-4-mopp-3f06ca-1600.jpg)
With both dressed in Mission-Oriented Protective Posture response level 4 ( MOPP-4) chemical gear, MASTER
![File:2nd Lt. Noel Horton of the 48th Communications Squadron, 48th Fighter Wing RAF Lakenheath United Kingdom gets into MOPP 4 gear during a Chemical Warfare Training Class on Wednesday the 15th of File:2nd Lt. Noel Horton of the 48th Communications Squadron, 48th Fighter Wing RAF Lakenheath United Kingdom gets into MOPP 4 gear during a Chemical Warfare Training Class on Wednesday the 15th of](https://upload.wikimedia.org/wikipedia/commons/0/0d/2nd_Lt._Noel_Horton_of_the_48th_Communications_Squadron%2C_48th_Fighter_Wing_RAF_Lakenheath_United_Kingdom_gets_into_MOPP_4_gear_during_a_Chemical_Warfare_Training_Class_on_Wednesday_the_15th_of_November_2006_061115-F-ZM185-003.jpg)
File:2nd Lt. Noel Horton of the 48th Communications Squadron, 48th Fighter Wing RAF Lakenheath United Kingdom gets into MOPP 4 gear during a Chemical Warfare Training Class on Wednesday the 15th of
![U.S. Air Force Staff Sgt. Robert Verity, left, and Airman 1st Class Collin Saumier, fire protection specialists assigned to the 673d Civil Engineer Squadron, disconnect a fire hose while conducting wartime-firefighting readiness U.S. Air Force Staff Sgt. Robert Verity, left, and Airman 1st Class Collin Saumier, fire protection specialists assigned to the 673d Civil Engineer Squadron, disconnect a fire hose while conducting wartime-firefighting readiness](https://c8.alamy.com/comp/PPCG89/us-air-force-staff-sgt-robert-verity-left-and-airman-1st-class-collin-saumier-fire-protection-specialists-assigned-to-the-673d-civil-engineer-squadron-disconnect-a-fire-hose-while-conducting-wartime-firefighting-readiness-training-at-joint-base-elmendorf-richardson-alaska-aug-23-2018-during-the-readiness-training-the-air-force-firefighters-donned-various-levels-of-mission-oriented-protective-posture-mopp-gear-and-practiced-responding-to-emergency-situations-in-a-simulated-toxic-environment-during-a-chemical-biological-radiological-or-nuclear-strike-verity-and-saumier-are-nati-PPCG89.jpg)
U.S. Air Force Staff Sgt. Robert Verity, left, and Airman 1st Class Collin Saumier, fire protection specialists assigned to the 673d Civil Engineer Squadron, disconnect a fire hose while conducting wartime-firefighting readiness
![Airman put on mission oriented protective posture gear during training at Minot Air Force Base, N.D., Jan. 30, 2018. Depending on the threat level there are six stages of MOPP gear: ready, Airman put on mission oriented protective posture gear during training at Minot Air Force Base, N.D., Jan. 30, 2018. Depending on the threat level there are six stages of MOPP gear: ready,](https://c8.alamy.com/comp/MC5747/airman-put-on-mission-oriented-protective-posture-gear-during-training-at-minot-air-force-base-nd-jan-30-2018-depending-on-the-threat-level-there-are-six-stages-of-mopp-gear-ready-zero-and-one-through-four-us-air-force-photo-by-airman-1st-class-dillon-j-audit-MC5747.jpg)
Airman put on mission oriented protective posture gear during training at Minot Air Force Base, N.D., Jan. 30, 2018. Depending on the threat level there are six stages of MOPP gear: ready,
![U.S. Air Force Tech. Sgt. Emily Baller completes tasks while in Mission Oriented Protective Posture (MOPP) gear Feb. 2, 2018 at McLaughlin Air National Guard Base, Charleston, W.Va. Airmen must overcome the U.S. Air Force Tech. Sgt. Emily Baller completes tasks while in Mission Oriented Protective Posture (MOPP) gear Feb. 2, 2018 at McLaughlin Air National Guard Base, Charleston, W.Va. Airmen must overcome the](https://c8.alamy.com/comp/MCCYDJ/us-air-force-tech-sgt-emily-baller-completes-tasks-while-in-mission-oriented-protective-posture-mopp-gear-feb-2-2018-at-mclaughlin-air-national-guard-base-charleston-wva-airmen-must-overcome-the-challenges-of-wearing-different-levels-of-mopp-gear-while-performing-their-regular-duties-maintaining-readiness-and-safety-while-ensuring-that-the-mission-is-always-complete-us-air-national-guard-photo-by-airman-1st-class-caleb-vance-MCCYDJ.jpg)
U.S. Air Force Tech. Sgt. Emily Baller completes tasks while in Mission Oriented Protective Posture (MOPP) gear Feb. 2, 2018 at McLaughlin Air National Guard Base, Charleston, W.Va. Airmen must overcome the
![Working in Mission-Oriented Protective Posture response level 4 (MOPP-4) gear, SENIOR AIRMAN (SRA) Tim Working in Mission-Oriented Protective Posture response level 4 (MOPP-4) gear, SENIOR AIRMAN (SRA) Tim](https://cdn10.picryl.com/photo/2002/01/30/working-in-mission-oriented-protective-posture-response-level-4-mopp-4-gear-48e7ca-1600.jpg)
Working in Mission-Oriented Protective Posture response level 4 (MOPP-4) gear, SENIOR AIRMAN (SRA) Tim
![US Marine in MOPP gear inc gas mask uses M272 Chemical Agent Water Testing Kit ( lewisite, nerve agents, cyanide and mustard Stock Photo - Alamy US Marine in MOPP gear inc gas mask uses M272 Chemical Agent Water Testing Kit ( lewisite, nerve agents, cyanide and mustard Stock Photo - Alamy](https://c8.alamy.com/comp/D18XKA/us-marine-in-mopp-gear-inc-gas-mask-uses-m272-chemical-agent-water-D18XKA.jpg)
US Marine in MOPP gear inc gas mask uses M272 Chemical Agent Water Testing Kit ( lewisite, nerve agents, cyanide and mustard Stock Photo - Alamy
![US Marine in MOPP gear inc gas mask uses M272 Chemical Agent Water Testing Kit ( lewisite, nerve agents, cyanide and mustard Stock Photo - Alamy US Marine in MOPP gear inc gas mask uses M272 Chemical Agent Water Testing Kit ( lewisite, nerve agents, cyanide and mustard Stock Photo - Alamy](https://c8.alamy.com/comp/D18XN7/us-marine-in-mopp-gear-inc-gas-mask-uses-m272-chemical-agent-water-D18XN7.jpg)