ARTILLERY reactive form of artillery, which is used for throwing projectiles jet engine, mounted at the projectile and giving it the necessary speed and range.
rocket weapons development was caused by the general trends in the development of military affairs, the desire to improve the maneuver forces, and increased firepower. Application of jet engine virtually ruled the action recoil force on the gun, that allows the construction of a simple device for light and compact launchers with sufficient firepower.
In 1939, the Soviet Union was a prototype multiply-launcher, later called the BM-13. By the beginning of World War II, this setting has been improved and the standard weapon of the Land Forces.
MULTICHARGED reactive systems determined by their high rate of fire, the ability to simultaneously engage targets over large areas. Salvo fire provides a sudden, high material and moral effect against the enemy