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Holston Army Ammunition Plant

Holston Army Ammunition Plant
A main supplier of explosive materials to the Department of Defense

Spanning more than 6,000 acres in Kingsport, Tenn., the Holston Army Ammunition Plant is the major supplier of explosive materials (primarily RDX- and HMX-based products) to the U.S. Department of Defense. The facility has state-of-the-art equipment and capabilities for nitration chemistry, acid handling and recovery, and other chemical-processing operations.

Holston recently earned industry and national acclaim for producing IMX 101, the first in a family of “insensitive munitions.” Insensitive munitions are far more stable than conventional TNT and Composition B, making the weapons systems they support safer for troops to transport and handle.

Key Facts

  • Holston stretches more than 6,020 acres across two counties in Tennessee.  
  • There are over 450 buildings and storage magazines onsite.
  • The plant has 107 miles of roads and 30 miles of railroads.
  • Holston participates in the Armament Retooling and Manufacturing Support program, which leases onsite space to private companies.