On 6 April 2016, the Kazan Optical and Mechanical Plant saw the official launch of the Stella-K production facilities involved in the manufacture of the advanced airborne defence system President-S against man-portable air-defence systems. The symbolic production start-up button was pressed by Tatarstan President Rustam Minnikhanov, Russian Deputy Minister of Defence Yury Borisov, Director General of Concern Radio-Electronic Technology (KRET) Nikolai Kolesov, and Russian Deputy Minister of Industry and Trade Andrey Boginsky.