The head of Germany’s largest military contractor Rheinmetall, Armin Papperger, has called on EU countries to abandon the advantage of national champions and create larger and more specialized defense groups to compete with American companies, according to the Financial Times. He said that if Europe wants closer cooperation in the defense sector, countries need to specialize in different types of military technologies. He remarks that it wouldn’t make much sense if they were to choose the second or third-best technology just because one country wanted it. He added that it was the most difficul…