Daniel Terrill / Defense News：五角大楼向Elmet Group投资4.5亿美元，确保国防制造业的国内钨供应链；投资旨在应对关键矿产依赖…

原标题 · Daniel Terrill / Defense News:Pentagon invests $450M in Elmet Group to secure domestic tungsten supply chain for defense manufacturingInvestment targets critical mineral dependency…