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Lance Cpl. Carlos Rodarte Jr., 3rd Platoon, Company C, Fleet Anti-Terrorism Security Team, Marine Corps Security Force Regiment, breaks the seal of his M50 gas mask during chemical, biological, radioactive, and nuclear defense training, 2 Nov. at the gas chamber aboard Naval Station Norfolk. Marines must properly secure a gas mask after being exposed to o-chlorobenzylidene malonitrile gas, or CS gas, clear the mask so that they are able to breathe and continue with their mission. (Official U.S. Marine Corps photo by Sgt. Kayla D. Rivera/ Released)
161102-M-HU743-101.JPG Photo By: Sgt. Kayla D. Rivera

Nov 4, 2016
NAVAL STATION NORFOLK - Lance Cpl. Carlos Rodarte Jr., 3rd Platoon, Company C, Fleet Anti-Terrorism Security Team, Marine Corps Security Force Regiment, breaks the seal of his M50 gas mask during chemical, biological, radioactive, and nuclear defense training, 2 Nov. at the gas chamber aboard Naval Station Norfolk. Marines must properly secure a gas mask after being exposed to o-chlorobenzylidene malonitrile gas, or CS gas, clear the mask so that they are able to breathe and continue with their mission. (Official U.S. Marine Corps photo by Sgt. Kayla D. Rivera/ Released)


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FLEET MARINE FORCE, ATLANTIC, MARINE FORCES COMMAND, MARINE FORCES NORTHERN COMMAND