The '''S-300''' is a series of long range surface-to-air missile systems developed by the former [[Soviet Union]], now fielded by the militaries of [[Russia]] and [[Ukraine]] as well as several otherclient states. The S-300 system was developed to defend against air raids and [[cruise missile]]s. Subsequent variations were developed to shoot down [[ballistic missiles]].
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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 a number of systems to also perform as an artillery piece for surface-to-surface]] strikes.