The Metals Stockpiled by National Defense | Modern Marvels (S12, E18) | Full Episode

They are elements that occupy a select portion of the periodic table and are so essential to America's economic and military might that they are stored in the National Defense Stockpile in case of all-out war. We plan a riveting visit. Some of the vital heavy metals that we survey include copper, uranium, lead, zinc, and nickel.  See more in Season 12, Episode 18, "Heavy Metals." Love Modern Marvels? Stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule. #ModernMarvels Subscribe for more from Modern Marvels and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT Find out more about the show on our site: https://www.history.com/shows/modern-marvels Check out exclusive The HISTORY Channel content: History Newsletter - https://histv.co/newsletter Website - https://histv.co/History Facebook - https://histv.co/Facebook Instagram - https://www.instagram.com/history TikTok - https://www.tiktok.com/@history "Modern Marvels" goes beyond the basics to provide insight and history into things we wonder about and that impact our lives. The HISTORY® Channel, a division of A+E Networks, is the premier destination for historical storytelling. From best-in-class documentary events, to a signature slate of industry leading nonfiction series and premium fact-based scripted programming, The HISTORY® Channel serves as the most trustworthy source of informational entertainment in media. The HISTORY® channel has been named the #1 U.S. TV network in buzz for seven consecutive years by YouGov BrandIndex, and a top favorite TV network by Beta Research Corporation. For a deeper dive, visit history.com or follow @history on Instagram, Twitter, Facebook, YouTube and TikTok. For additional press materials visit the A+E Networks Press Center at http://press.aenetworks.com.