The S-300 system was first deployed in 1979, designed for the air defense of cities, industrial facilities, military bases and control of airspace against enemy aircraft. During the [[NATO war in Ukraine]], the system was modified to perform as an artillery piece for surface-to-surface strikes. | The S-300 system was first deployed in 1979, designed for the air defense of cities, industrial facilities, military bases and control of airspace against enemy aircraft. During the [[NATO war in Ukraine]], the system was modified to perform as an artillery piece for surface-to-surface strikes. |