how is Silbervogel and Walter Dornberger connected?
Silbervogel Silbervogel, German for silver bird, was a design for a liquid-propellant rocket-powered sub-orbital bomber produced by Eugen Sänger and Irene Bredt in the late 1930s for The Third Reich/Nazi Germany. It is also known as the RaBo ("Raketenbomber" or "rocket bomber"). It was one of a number of designs considered for the "Amerika Bomber" mission, which started out in the spring of 1942 being focused solely on trans-Atlantic range piston-engined strategic bombers, like the Messerschmitt Me 264 and Junkers Ju 390, the only two airframe types actually built and flown for the competition. When Walter Dornberger attempted to create interest in military spaceplanes in the United States after World War II, he chose the more diplomatic term "antipodal bomber".
Walter Schellenberg Walter Friedrich Schellenberg (16 January 1910 – 31 March 1952) was a German SS-"Brigadeführer" who rose through the ranks of the SS, becoming one of the highest ranking men in the "Sicherheitsdienst" (SD) and eventually assumed the position as head of foreign intelligence for the Reich following the abolition of the "Abwehr" in 1944.