Though they are usually responsible, these sergeants major created their own hell in Arizona when they donned gas masks and ...

A sign hanging above the doors to the gas chamber reads, "Even the brave cry here." A dozen at a time, Marines are ushered into a small, dark, brick room. A thick haze of o-Chlorobenzylidene ...

More than 40 million gas masks were issued. In America there was a gas mask for children that looked like Mickey Mouse, with the character's nose and ears and even a picture of him on the gas filter.