1 rich Libsyn https://www.libsyn.com 90 600 In this episode, National Defense discusses the Air Force’s beleaguered Sentinel ICBM program, how mining companies are challenging China’s dominance of the Tungsten market, and the European Union’s drone wall. National Defense Magazine http://www.nationaldefensemagazine.org/ <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/39627935/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/87A93A/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/content/197199910