U.S relies on China, Russia for ammo supply chain | Chink in defense armour

The U.S. relies on China & Russia for a key mineral vital to producing ammunition & military equipment. The mineral Antimony is needed to make armor-piercing bullets, nukes & equipment such as night vision goggles. Heavy concentration of processing in China - Lion's share of U.S. Antimony imports sourced from China. China the top antimony producer, but Russia & Tajikistan have more than tripled their production since 2015.