Financed by JPMorgan, Jointly Owned by US DoD Under the plan, the U.S. Department of Defense will hold a 40% stake in the JPM Financed smelter joint-venture. GFN – WASHINGTON: Korea Zinc plans a $7.4 billion investment to construct a large-scale non-ferrous metals smelter in Clarksville, Tennessee, a project U.S. officials say will materially expand domestic critical minerals processing capacity and strengthen supply chain security.1 The project, known as the “U.S. Smelter,” is expected to require approximately $6.6 billion in capital expenditures, with total investment reaching $7.4 billion including financing costs. It is being developed in coordination with the U.S....