How do you find a nuclear-powered missile that’s lost at sea?

Moscow is hunting for a nuclear-powered missile that went missing during a test last year, CNBC reported today.In March, Vladimir Putin announced that Russia was developing a cruise missile powered by a nuclear reactor. The idea was that it would “be able to fly all around the world and navigate around missile defense systems and make its way to a target — even if it’s on the other side of the planet,” says Hans Kristensen, a nuclear weapons expert with the Federation of