It claims they targeted defense factories, Ukrainian Defense Forces weapons systems, and ammunition depots.The Russian citizen is alleged to have set up an observation post on the rooftop of a high-rise building, which was used to adjust the fire of Russian strikes. According to the SBU, he had been living in Ukraine in "standby mode" until being activated by Russian security services.The other two defendants are current and former employees of Ukrainian defense companies. One is alleged to have collected intelligence on the consequences of Russian missile strikes on factories and repair facilities, while the other allegedly sought information from his former colleagues about potential target locations.According to the investigation, the suspects acted separately but had the same supervisor, a GRU member, who has already been identified by the SBU.Their computer hardware, a quadcopter, and mobile phones which reportedly contained incriminating messages with Russian security services, were seized.The suspects have been charged under part 2 of Art.