abstract:JSC Phazotron (Phazotron-NIIR, ОАО «Корпорация «Фазотрон-НИИР»), is Russia's largest developer of military radars and avionics. Named after one of the major projects and the most important one it was involved in, the first cosmotron in the former-USSR, it was first formed in June 1917 to produce aviation instruments.