Ukrainian engineer accused by SBU. He co-created systems of Russian Iskander and Calibr rockets

According to Hromadske, 61-year-old Oleh Borsuk began his career as a laboratory manager at 1 of the defence plants of the Cherkah region. **In 2009 he left for Moscow**, where he became Deputy Director-General at the construction office "Navis" – a key company of the Russian defence industry.