Ukrainian forces are employing quadcopters that are accurately dropping grenades to destroy Russian tanks valued at several million dollars, continuing the success story of drones eliminating Russian heavy weaponry.

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In a video that has gone viral on social media, two abandoned Russian T-72B3M tanks worth millions of dollars are seen being destroyed by a small drone that delivered accurate hits. 

As shown in the video clip, the unmanned aerial vehicle of the Ukrainian forces hovered over the tanks before carefully aiming and dropping the ammunition.

Given that the quadcopter and grenade used in the attack likely would not have cost more than a few hundred dollars, the damage to the tanks represents a…