Germany’s Rheinmetall, a Maker of Autos and Arms, Is Forging Stronger U.S. Ties

Rheinmetall, an automotive and arms maker, is using a partnership with the builder of F-35 fighter jets to move into aviation and expand its presence in America.Armin Papperger, the chief executive of Rheinmetall, called his company’s partnership with the U.S. makers of the F-35 fighter jet a “lighthouse project.”