S-75 Dvina
The S-75 is a Soviet-designed, high-altitude air defence system. It is built around a surface-to-air missile with command guidance. Following its first deployment in 1957 it became one of the most widely deployed air defence systems in history. Wikipedia
Accuracy: 65 m
Designed: 1953–1957
Detonation mechanism: Command
Diameter: 700 mm (28 in)
Flight altitude: 25,000 m (82,000 ft)
Guidance system: Radio control command guidance
In service: 1957–present