The Army uses the M45 as the hard-to-fit mask ... The program began in the late 1970s, when engineers would make someone a custom mask, which had significantly higher costs as well as time.

And the general himself is wearing a mask as he explains all this. So too is the Army's top officer, Gen. Jim McConville who stands nearby watching the mock attack. McConville sports a camouflage ...

The Soldiers are exposed to CS gas to build confidence in their M50 series gas mask. (U.S. Army photo by Staff Sgt. Ronald Shaw Jr.)(RELEASED) If you ask a soldier why beards are banned ...

FORT STEWART, Ga - Troopers of 6th Squadron, 8th Cavalry Regiment, 2nd Infantry Brigade Combat Team, 3rd Infantry Division, trained on the Army's newest gas mask at Fort Stewart, Ga., July 11 ...