Behold this photo of a bunch of command sergeants major hating life
Though they are usually responsible, these sergeants major created their own hell in Arizona when they donned gas masks and ...
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'Even the brave cry here': Marines in North Carolina put their gas masks to the test
"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 ...