It was also known to the Allies as the buzz bomb or doodlebug and in Germany as Kirschkern ( cherry stone) or Maikäfer ( maybug). Its official RLM aircraft designation was Fi 103.
The V-1 flying bomb ( German: Vergeltungswaffe 1 'Vengeance Weapon 1' ) was an early cruise missile and the only production aircraft to use a pulsejet for power.