The McAlester Army Ammunition Plant is a U.S. military facility located in McAlester, Oklahoma. It plays a crucial role in the production, storage, and maintenance of ammunition for the U.S. Army. Established in 1943, the plant supports military operations by ensuring that troops have access to the necessary munitions. The facility covers over 20,000 acres and includes various production and storage buildings. It is managed by the U.S. Army Joint Munitions Command and contributes to national defense by providing a reliable supply of ammunition. The plant also engages in environmental stewardship to minimize its impact on the surrounding area.