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?
V-2 rocket:  The missile with a liquid-propellant rocket engine was developed during the Second World War in Germany as a "vengeance weapon", assigned to attack Allied cities as retaliation for the Allied bombings against German cities. V-2 rocket:  The V-2 rocket also became the first artificial object to travel into outer space by crossing the Kármán line with the vertical launch of MW 18014 on 20 June 1944.
i don't know