Indiana Army Ammunition Plant, Military manufacturing complex in Charlestown, United States.
The Indiana Army Ammunition Plant operated three separate production areas across 19,000 acres, manufacturing smokeless powder and rocket propellant near the Ohio River.
The facility, constructed in 1941, became the largest smokeless powder manufacturing site in the United States during World War II, supplying critical ammunition components.
The plant employment peaked at 27,000 workers in the 1940s, transforming Charlestown from a rural town of 900 people into an industrial center.
The former military site now hosts the River Ridge Commerce Center and Charlestown State Park, following extensive environmental restoration and land transfers.
German prisoners of war worked at this facility during World War II alongside local residents, women, and African American employees.
Location: Indiana
GPS coordinates: 38.38210,-85.68700
Latest update: March 17, 2025 06:27
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