In an ultra-sterile room at a secure factory in Kansas City, U.S. government technicians refurbish the nation’s nuclear warheads. The job is exacting: Each warhead has thousands of springs, gears and copper contacts that must work in conjunction to set off a nuclear explosion.
Eight hundred miles away in New Mexico, workers in a steel-walled vault have an equally delicate task. Wearing radiation monitors, safety goggles and seven layers of gloves, they practice shaping new warhead plutonium cores — by hand.
