On the back, in the inside, you have hair cover. The old M48 gas mask didn't have this. Female soldiers, they can keep all their hair pretty much contained. Narrator: Recruits are expected to ...

recruits are briefed on the components of the gas mask, how to properly put it on, and how to clear it. Instructor: Get shoulder-to-shoulder! Narrator: We were not allowed to film inside the gas ...

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.