“Defence is now by far essentially the most dynamic sector of German trade,” says Armin Papperger, chief govt of Rheinmetall, Germany’s largest arms producer. Till lately nobody, together with Mr Papperger, the agency’s boss for the previous 12 years, would have believed it. However as European international locations put together for an enormous increase to defence spending, Rheinmetall and its friends, together with Hensoldt, a maker of electronic-warfare tools akin to radars, and Renk, which manufactures navy automobiles, are scaling up manufacturing as rapidly as they’re in a position.