The U.S. Army Chemical Materials Activity (CMA) safely stores and destroyed the Nation's aging chemical weapons formerly stored at eight sites across the United States and on Johnston Atoll, effectively recovers the Nation's chemical warfare materiel and treats it and enhances national security.
 

The activity's headquarters' management team, as well as scientific, communications and support staff are based at the Edgewood Area of the Aberdeen Proving Ground in Maryland, while other dedicated managers and staff fulfill the activity's mission from weapons storage and disposal sites at locations across the country.