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US Marine in MOPP gear inc gas mask uses M272 Chemical Agent Water Testing Kit ( lewisite, nerve agents, cyanide and mustard Stock Photo - Alamy
![After struggling through the brush of the thick jungle in Mission-Oriented Protective Posture response level After struggling through the brush of the thick jungle in Mission-Oriented Protective Posture response level](https://cdn10.picryl.com/photo/2001/07/12/after-struggling-through-the-brush-of-the-thick-jungle-in-mission-oriented-19a5c3-1600.jpg)
After struggling through the brush of the thick jungle in Mission-Oriented Protective Posture response level
![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/D18XA6/us-marine-in-mopp-gear-inc-gas-mask-uses-m272-chemical-agent-water-D18XA6.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
![Portrait of CHIEF MASTER Sergeant (CMSGT) Paul Helphenstine, USAF, 36th Fighter Squadron (FS), with his MCU- Portrait of CHIEF MASTER Sergeant (CMSGT) Paul Helphenstine, USAF, 36th Fighter Squadron (FS), with his MCU-](https://cdn10.picryl.com/photo/2002/01/30/portrait-of-chief-master-sergeant-cmsgt-paul-helphenstine-usaf-36th-fighter-b3f372-1024.jpg)
Portrait of CHIEF MASTER Sergeant (CMSGT) Paul Helphenstine, USAF, 36th Fighter Squadron (FS), with his MCU-
![SENIOR AIRMAN (SRA) Mike Bonecutter, USAF, 731st Air Mobility Squadron (AMS), wearing Mission-Oriented Protective Posture SENIOR AIRMAN (SRA) Mike Bonecutter, USAF, 731st Air Mobility Squadron (AMS), wearing Mission-Oriented Protective Posture](https://cdn10.picryl.com/photo/2002/01/28/senior-airman-sra-mike-bonecutter-usaf-731st-air-mobility-squadron-ams-wearing-7b5059-1600.jpg)