German footage of V2 launches in late December 1944. These deadly weapons were extensively used during the Battle of the Bulge, striking far-off targets such as Antwerp and cities in Britain. Many German scientists who worked on the V-2 rocket program went on to work for the Americans after the war, the best-known being Wernher von Braun and Arthur Rudolph and Hermann Oberth on the Space Race and Walter Dornberger who worked on jet engines. Helmut Gröttrup went on to work on the Soviet space pro

Rare WWII-era Nazi V-2 rocket recovered from former German test site

Hitler's Rise to Power: 1918-1933