800 mm super heavy rail gun Dora Adolf Hitler (Center), Albert Speer (left) and other dignitaries arrived at the site at Rugenwalde (now Darłowo, Poland), where they were represented the 800 mm super heavy rail gun Dora (80-cm-Kanone (E) and the prototype of the SAU SD. Kfz. 184 ' Ferdinand '. Rugenwalde, march 19th 1943
Reinhard Tristan Eugen Heydrich (7 March 1904 – 4 June 1942) was a high-ranking German Nazi official during World War II, and one of the main architects of the Holocaust. He was SS-Obergruppenführer (General) and General der Polizei, chief of the Reich Main Security Office (including the Gestapo, and Kripo) and Stellvertretender Reichsprotektor (Deputy Reich-Protector) of Bohemia and Moravia. In August 1940 he was appointed and served as President of Interpol.