Holston Army Ammunition Plant, RDX-and-Composition-B Manufacturing Line 9, Kingsport, Sullivan County, TN
Significance: Line 9 is highly representative of the 10 production lines constructed at HSAAP during WWII for the manufacture of the military high explosive Composition B, and its chief ingredient RDX. These buildings embodied the world's first, large-scale, industrial application of the "Bachmann method," which revolutionized the production of RDX by replacing an expensive, labor-intensive batch technology with a cost-efficient, mass-production operation. The HSAAP manufacturing lines also greatly improved on previous procedures for producing Composition B...
Survey number: HAER TN-10-B
Building/structure dates: 1943 Initial Construction
Building/structure dates: after 1965 Subsequent Work
Building/structure dates: 1973 Subsequent Work