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. 
The depot is located in Calhoun County, Alabama, 10 miles west of Anniston. It covers 25 square miles (65 km2) of land, or 15,200-acres.  Its northern side is the Pelham Range portion of Fort McClellan. The central and northern portions of the Depot span over 13,000-acres and serve as an ammunition storage area. The southern side of the Depot is the Southeastern Industrial Area (SIA), a 600-acre industrial operations area with more than 50 buildings and a vehicle test track.
As of 2014, the Depot employs 3,400 civilian workers. Tanks and other equipment are repaired and tested, but historically Anniston's main role since World War II has been as a major munitions storage site. Anniston is one of seven depots in the United States where chemical weapons are stored (7.2% of nation's chemical weapons stockpile).  The stockpile has included rockets, bombs, projectiles, and land mines armed with Sarin, VX nerve agent, or mustard gas. The last chemical munitions were destroyed in September 2011. 
ANAD is the only depot capable of performing maintenance on heavy-tracked combat vehicles and their components and houses a state of the art 250,000 sq.ft. Small Arms Overhaul facility, which opened in January 2012 to replace an outdated facility. The depot is designated as the Center of Technical Excellence for the M1 Abrams Tank and is the designated candidate depot for the repair of the M60 Patton tank, AVLB, M728, M88 Recovery Vehicle and M551 combat vehicles.  During the Iraq War, over 1,000 M1 tanks, Howitzers, and other armored vehicles were stored awaiting re-engineering. 
ANAD is the Army's primary site for final assembly, reset, and overhaul for the Stryker family of wheeled fighting vehicles.  All ten of the Stryker vehicle variants are assembled in the Nichols Industrial Park area by contractor General Dynamics − Land Systems. Stryker battle damage repair and reset is accomplished through a work sharing arrangement between the Depot and contractor, including a Stryker Exchange Program that converts the original flat bottomed Stryker vehicle to the IED-resistant Double V Hull configuration developed for combat operations in Afghanistan.  
The Depot houses and operates a facility for the repair, restoration, and/or upgrade of infantry weapons such as the Beretta M9 pistol, M16 rifle, and M2 machine gun. Any firearm deemed unusable or obsolete is destroyed on the premises, the materials are reduced to unusable pieces and then sold for scrap to be melted down.
ANAD is under command of the US Army TACOM Life Cycle Management Command (TACOM LCMC), although other operators on the facility include the Defense Logistics Agency, Defense Reutilization and Marketing Office, United States Army Center of Military History, Health Services Command, Soldier and Biological Chemical Command, and the Civilian Marksmanship Program.
In 1989, the EPA placed part of the Depot on the National Priorities List, and one year later, the EPA and the Army agreed to address the entire Depot under the Superfund for antimony, chromium, lead, thallium and trichloroethylene in ground water and soils. Since then, contaminated ground water has been pumped and treated, contaminated soil has either been dug up or capped, and land use controls have been put in place. Contaminated fractured bedrock needs to be addressed. The Depot has a Restoration Advisory Board (RAB) composed of community members and representatives from the Depot and other agencies. 
- Hill, W. Jayson. "Anniston Army Depot". Encyclopedia of Alabama. Retrieved October 22, 2018.
- "Anniston Army Depot". EPA Region 4: Superfund. EPA. 2 July 2014. Retrieved 22 September 2015.
- Land Use Database, Anniston Army Depot The Center for Land Use Interpretation, ludb.clui.org, undated
- Michael Abrams ANCDF completes chemical munitions mission US Armymil.net, September 29, 2011
- AnnistonArmyDepot.net - The Fastest Growing Military Directory on the Web
- U.S. Army Battling To Save Equipment - washingtonpost.com 12 April 2006
- Anniston Army Depot marks a decade of Stryker Archived July 14, 2014, at the Wayback Machine. US Army, 1 page, 2012
- Defense Industry Daily staff US Army Moves Ahead with V-Hull Strykers Defense Industry Daily, May 05, 2015
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