Anniston Army Depot (ANAD) is a major United States Army facility for the production and repair of ground combat vehicles, overhaul of Small Arms Weapon Systems and the storage of chemical weapons, a.k.a. the Anniston Chemical Activity. The depot is located in Bynum, Alabama. The Department of the Army established the site in 1940, buying 10,640 acres (4,310 ha) in Calhoun County, where Anniston is the county seat. The site was originally a munitions storage facility, and, later, a disposal facility.