 Complete the following phrase:  The 2832 cm Nebelwerfer 41 2832 cm NbW 41 was a German multiple rocket launcher used in the Second World War. It served with units of the so-called Nebeltruppen, the German equivalent of the U.S. Armys Chemical Corps. The Nebeltruppen had responsibility for poison gas and smoke weapons that were used instead to deliver high-explosives during the war. The name Nebelwerfer is best translated as Smoke Mortar. It saw service from 194145 in all theaters except 