![US Marine Corps (USMC) Marines, wearing Mission Oriented Protected Posture ( MOPP) gear, put on and clear their gas masks prior to entering a gas chamber during a Nuclear Biological Chemical (NBC) training US Marine Corps (USMC) Marines, wearing Mission Oriented Protected Posture ( MOPP) gear, put on and clear their gas masks prior to entering a gas chamber during a Nuclear Biological Chemical (NBC) training](https://cdn10.picryl.com/photo/2004/08/25/us-marine-corps-usmc-marines-wearing-mission-oriented-protected-posture-mopp-da4ab9-1024.jpg)
US Marine Corps (USMC) Marines, wearing Mission Oriented Protected Posture ( MOPP) gear, put on and clear their gas masks prior to entering a gas chamber during a Nuclear Biological Chemical (NBC) training
Mission Ready: mask, suit, boots, gloves > Little Rock Air Force Base > News happening around Little Rock Air Force Base
![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/thumb/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/1280px-thumbnail.jpg)
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
![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
![Two soldiers demonstrate mission-oriented protective posture (MOPP) Level IV gear, including M-17A1 masks - PICRYL - Public Domain Media Search Engine Public Domain Search Two soldiers demonstrate mission-oriented protective posture (MOPP) Level IV gear, including M-17A1 masks - PICRYL - Public Domain Media Search Engine Public Domain Search](https://cdn10.picryl.com/photo/1990/03/13/two-soldiers-demonstrate-mission-oriented-protective-posture-mopp-level-iv-5dee4f-1024.jpg)
Two soldiers demonstrate mission-oriented protective posture (MOPP) Level IV gear, including M-17A1 masks - PICRYL - Public Domain Media Search Engine Public Domain Search
![File:US Navy 100806-N-4440L-042 Seabees don their chemical, biological, radiological gear during a mission oriented protective posture (MOPP) level 4 drill.jpg - Wikimedia Commons File:US Navy 100806-N-4440L-042 Seabees don their chemical, biological, radiological gear during a mission oriented protective posture (MOPP) level 4 drill.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/a/a7/US_Navy_100806-N-4440L-042_Seabees_don_their_chemical%2C_biological%2C_radiological_gear_during_a_mission_oriented_protective_posture_%28MOPP%29_level_4_drill.jpg)