A number of countries that aren’t always friendly with the U.S. are actively developing EMP weapons, including Russia, Iran, North Korea and China, among them. China in particular is a concern, given its fast-rising defense spending and its clear intention of becoming the dominant superpower. That comes from recent Defense Department intelligence assessments and, in particular, a report delivered to a special congressional committee set up to investigate the threat EMPs and cyberattacks pose… A single EMP weapon, delivered on target, could essentially shut down America. – Investor’s Business Daily