Original: The V-2 rocket was, according to head of Nazi rocket program Walter Dornberger, the world's first ballistic missile and first human artifact to achieve sub-orbital spaceflight,Peenemuende, Walter Dornberger, Moewig, Berlin 1985.
Simplified: The V-2 rocket was the world's first ballistic missile and first human artifact to achieve sub-orbital spaceflight. Peenemuende, Walter Dornberger, Moewig, Berlin 1985.