Can't find a more appropriate thread, so I will post these here.
The II-150Y stealth aerial target drone. In addition to the base variant, there's a high-elevation variant (for tibet) and a naval variant. Capable of carrying various payloads to simulate desired radar and infrared attributes. Capable of 5g instantaneous 80- and 180-degree turns, 3g sustained S-pattern maneuver, etc.
The base variant:
The naval variant: