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

Recruits wear this M50 pro mask, which can protect soldiers from lethal chemicals. Rocco Candela: This is the M50 gas mask right here. This is the newer version. This is much lighter, better.

Louisiana plans to use nitrogen gas to execute death row inmate Jessie Hoffman next week. Here's what to know about the method and why its controversial.

Tens of thousands of Ukrainian soldiers are at risk of being encircled ... what they said were special forces operatives, wearing gas masks and moving along what looked like the inside of a ...

A statement from Ukraine's airborne assault forces said that Russian soldiers had used the pipeline ... showed pictures of special forces in gas masks and lights, some using colourful colloquial ...

Two of the soldiers are seen smoking cigarettes while a separate image shared on Telegram shows an operative wearing a gas mask. The special forces soldiers walked around nine miles (15km ...