In 1944, as Germany faced defeat, Nazi engineers proposed one of the most ambitious aircraft concepts in history: the Silbervogel, or “Silver Bird.” Designed by Eugen Sänger and Irene Bredt, it was a ...

During the final years of the Second World War, German engineers explored rocket powered spaceplane concepts intended to strike distant targets. Designs envisioned suborbital trajectories and reusable ...