The FY25 National Defense Authorization Act (NDAA) mandates a Defense Department feasibility study on refining polymetallic nodule-derived intermediates to high-purity nickel, copper, and cobalt productsThe study, to be led by the Industrial Base Policy Office, will evaluate options to bolster domestic critical mineral supply chainsSeparately, TMC's U.S. subsidiary has applied for a $9 million Defense Production Act Title III grant to advance feasibility work on a domestic refinery for nodule-derived interm ...