Andy talks with Dr. Christine Michienzi, who served as the Senior Technology Advisor for the Pentagon's Under Secretary of Defense for Acquisition & Sustainment and as the Chief Technology Officer for the Industrial Base Policy office. Dr. Michienzi explains the national security vulnerabilities in U.S. supply chains for essential minerals and materials used in key defense hardware like electronics, satellites, weapons systems and ammunition. She discusses China's dominance in these critical supply chains and shares strategies to bolster domestic production and strengthen international partnerships.