ZSU-23-4 “Shilka“, self-propelled, radar guided anti-aircraft weapon system

The deep modernization of ZSU-23-4 “Shilka“ includes: - replacement of the 1RL33M radar with a multifunctional radar with a digital antenna array (CAR) “Rocker-AS“ - new opto-location system and missile channel - replacement of the computing device with a digital computer system - integration of new combat weapon control algorithms - replace the gas turbine unit with a more economical power supply unit - replacement other units