The latest incident involved an Israeli drone crashing in Syria and reports of Israeli artillery fire. The incident was reported in foreign media in Iran.
The two-year trial ended with the conclusion that another two-year project was needed. And this one would have to aim higher and be able to carry heavier loads, including people.
Iran arrested a group of Kurdish people for allegedly working for Israel.
The plant, according to Wall Street Journal, could manufacture at least 6,000 Iranian-designed drones for use by Russia in Ukraine.
Such drones are remote-piloted, dropping bombs or carrying out surveillance before returning to base.