“Defence is now by far essentially the most dynamic sector of German trade,” says Armin Papperger, chief government of Rheinmetall, Germany’s greatest arms producer. Till not too long ago 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 a giant increase to defence spending, Rheinmetall and its friends, together with Hensoldt, a maker of electronic-warfare tools resembling radars, and Renk, which manufactures army automobiles, are scaling up manufacturing as shortly as they’re in a position.