1) Space programme of Germany
Found on
https://www.crosswordclues.com/clue/silbervogel
Silbervogel, German for silver bird, was a design for a rocket-powered sub-orbital bomber aircraft 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 starte.....
Found on
http://en.wikipedia.org/wiki/Silbervogel
No exact match found.
