How a Homemade Tool Helped North Korea’s Missile Program
People watch a television screen showing a video footage of North Korea's latest test launch of an intercontinental ballistic missile (ICBM), at a railway station in Seoul on July 29, 2017. Jung Yeon-Je/AFP/Getty Images
SEOUL—In 2009, a pop video from North Korea celebrated a new national hero - one that outside experts would later realize was at the heart of the secretive state’s banned nuclear and missile programs.
That hero, widely available in factories across the world, was the Computer Numerical Control (CNC) machine.