Question: how is Silbervogel and Walter Dornberger connected?
Sentence (from "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.
Relevant evidence: No