"The Holston Army Plant has been in operations in 1942. The plant is a chemical processing plant that provides ingredients for all types of military explosives. Located in Kingsport, Tennessee, the plant is run by BAE Systems who received a $27-million contract in 2013 to rebuild the facility and create a more energy efficient facility in order to produce explosives."
Sounds like they are sniffing out the BAE-controlled Holston Military Base:
https://militarybases.com/tennessee/holston-army-plant/
"The Holston Army Plant has been in operations in 1942. The plant is a chemical processing plant that provides ingredients for all types of military explosives. Located in Kingsport, Tennessee, the plant is run by BAE Systems who received a $27-million contract in 2013 to rebuild the facility and create a more energy efficient facility in order to produce explosives."