The United States needs to fortify its supply chain of niobium, a key metal in the production of hypersonic missiles, as China aims for technological and military preeminence, according to experts from Washington-based think tanks the Atlantic Council and theRead more https://www.theepochtimes.com/us/us-should-persuade-brazil-to-join-minerals-alliance-to-secure-key-metal-for-hypersonic-missiles-researchers-5604490