The first flight of the new strike UAV "Sirius" of Russia, review. The newest Russian strike UAV "Sirius" made its first flight, the company "Kronstadt" reported. The Sirius drone is a further development of the Orion drones. The UAV has two turboprop engines, which allow it to reach speeds of up to 180 km/h, climb to a height of up to 7,000 m, and cover a distance of up to 3,000 km. According to the developers, the payload mass of the Sirius UAV is about 450 kg - it can carry aerial bombs and air-to-ground missiles. The UAV uses KAB-100 air bombs, FAB-100 high-explosive air bombs, RBC-500U free-fall bombs and ODAB-500PMV volumetric detonating air bomb. Also, the UAV is equipped with an integrated system of communication, data exchange, navigation and identification. The drone is quite large, its length is 9 meters, the wingspan is 20 meters, the takeoff weight is 2.5 tons.