Alexander Ryazanov (air defense designer)

Alexandr Vladimirovich Ryazanov (; 6 September 1932 – 18 January 2026) was a Soviet air defense designer. He designed the S-25, S-75, S-200, and S-300 air defense systems. He was a recipient of the USSR State Prize, and the Order of the Badge of Honour.

Ryazanov died on 18 January 2026, at the age of 93.Умер конструктор систем ПВО Александр Рязанов

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