Erwin Komenda XXX: "swinging-axle suspension, independent suspension, braking systems". Also a streamlined small car with rear engine was developed. In November 1931 Komenda joined the engineering office newly founded by Ferdinand Porsche as head of the bodywork design department, which he headed until 1966. Among other things, he developed the body of the VW beetle. With more than 21.5 million copies, VW Beetle became the best-selling automobile of the 20th century. With a graduate engineer Josef Mickl, a Porsche employee specializing in aircraft construction and aerodynamics, Komenda developed the bodywork of the P-Auto Union racing car and Cisitalia racing car. As early
503rd Heavy Panzer Battalion brought back to Germany. In September 1944, the refitted 503rd took part in the Battle of Debrecen. In early-November, the battalion provided a mobile reserve for the 6th Army (Wehrmacht), re-designated as Army Group Hermann Balck. By mid-December, the German forces had been pushed back to Budapest. The unit took part in several failed attempts to relieve Budapest, codenamed Operation Konrad. 503rd Heavy Panzer Battalion The 503rd Heavy Panzer Battalion (; abbreviated: "s.Pz.Abt. 503") was a Nazi German heavy Panzer "Abteilung" (independent battalion-sized unit) equipped with Tiger I and Panzer III tanks. In 1944, it was re-equipped with the new