However, they have the capability of simultaneously dropping many hundreds of kilograms of explosive, with devastating effect.
First developed in 1409, the Korean Hwacha is the most likely example of the first weapon system with a resemblance to the modern-day multiple rocket launcher. The first modern multiple rocket launcher was the German Nebelwerfer of the 1930s, a small towed artillery piece. Only later in World War II did the Allies deploy similar weapons in the form of the Land Mattress.