> All liquid-fueled rockets derive from the V-2 rockets that Wernher von Braun built for Hitler. Except for all the ones built before the V2, such as the 30-od

> All liquid-fueled rockets derive from the V-2 rockets that Wernher von Braun built for Hitler. Except for all the ones built before the V2, such as the 30-odd rockets Goddard built.