![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
![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,
![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)
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 Corps (USMC) Marines exit a gas chamber wearing Mission Oriented Protected Posture (MOPP) gear US Marine Corps (USMC) Marines exit a gas chamber wearing Mission Oriented Protected Posture (MOPP) gear](https://cdn10.picryl.com/photo/2004/08/25/us-marine-corps-usmc-marines-exit-a-gas-chamber-wearing-mission-oriented-protected-8615f7-1600.jpg)