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 missile]]s. | 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 missile]]s. |