FORT HOOD, Texas -- The latest chemical protective mask earmarked to replace the current mask used by U.S. Army fixed wing aviators was tested here recently.

Army auditors found that a large portion of the Army's supply of gas masks is defective in some way, with rips in rubber face-pieces, expired filters or malfunctioning valves.

Thousands of chemical weapons were destroyed at the Blue Grass Army Depot in a project that started years ago. The last ...

Maintenance workers, Ryan Watson, left, and Andrew Stout, right, exit the airlock after a two-hour shift inside the Pueblo Chemical Agent-Destruction Pilot Plant (PCAPP) at the U.S. Army Pueblo ...