Question: Project Wizard was to defend against threats from what missile with a liquid-propellant rocket engine, that was developed during WWII in Germany as a vengeance weapon?
Sentence (from "V-2 rocket"): The V-2 (German: "Vergeltungswaffe 2" , "Retribution Weapon 2"), technical name Aggregat 4 (A4), was the world's first long-range guided ballistic missile.
Relevant evidence: Yes