'Royal Marines Commando training, respirator training in the CS chamber. From the documentay \'Commando on the Frontline\'.'
Tags: mask , army , gas , military , Marines , s10 , respirator
SEE ALSO: gym workout , Fitness Aerobics dance , mak , Aerobic Exercises , Come , Food Vlog , laura london fitness , kickboxing , Netball , second trimester workout
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