Mississippi Army Ammunition Plant, Military ammunition facility in Bay St. Louis, Mississippi, United States.
The Mississippi Army Ammunition Plant was a military facility located within the northern section of the John C. Stennis Space Center complex in Mississippi. The installation manufactured ammunition and weapons components for the United States military.
Construction began in 1978 and the facility was officially dedicated in 1983 to support national defense manufacturing needs. The installation ceased operations in 2009 following a military base restructuring decision.
The facility represents a major component of American military manufacturing infrastructure, documented by the Historic American Engineering Record.
The site is located within the John C. Stennis Space Center and is not open to public visits. Those interested in learning about the facility can find information through historical records and local archives in the region.
The site is designated as a Superfund location requiring ongoing environmental monitoring because of its former ammunition manufacturing history. This status highlights the long-term environmental responsibilities tied to military manufacturing operations.
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