In
1931, the German Arm Weapons Agency began to research rocket
technology. In 1941, the NbW 41 28/32cm rockets were the first rockets
deployed to the front lines. These rockets could be launched from their
simple launch frames. During WWII, the German army used the Sd. Kfz
251/1 as a mobile rocket launcher. The vehicle was equipped with five
NbW 28cm rockets ad one NbW41 32cm rocket. Due to the destructive
capability of these vehicles, the Sd. Kfz 251/1 was nicknamed "Stuka zu
fuss" or "Ground Stuka", which referred to Luftwaffes Stuka
dive-bomber.