Katyusha

The Russian Katyusha is a multiple rocket thrower of which nothing is known except what can be seen on released photographs.

The development of these projectors was spurred During World War II, the Soviet Union fired Katyusha rockets from the ground or truck mounted racks. The standard Katyushas were 6 feet long, weighed 92.5 pounds, and had a range of 3 miles.