Nebelwerfer means “Smoke Projector.”

This six-barreled rocket launcher was standard equipment in the German Army during the Second World War. It was called the “Moaning Minnie” by American troops due to the sound its cluster of rockets made in flight. It was fired electrically by remote control at a rate of six rounds every 90 seconds. It was one of the most effective and sophisticated pieces of rocket artillery used in the war.