Narrator: These Army infantry recruits are being exposed to CS gas, more commonly known ... of recruits was in week one of training. Recruits wear this M50 pro mask, which can protect soldiers ...

Ruck marches, never short on pain and misery, become even worse when you combine Arizona’s high temperatures with gas masks and full packs. The photo, posted to the military’s imagery and ...

"The gas chamber training teaches Marines how to employ gas masks in toxic environments, and to instill confidence with their gear during CBRN training. Training in the gas chamber is essential ...