A billion dollars of damage with one small drone

The Ukrainian SBU – the equivalent of the FBI – now believe that the destruction of a giant arms depot at Balakliya in eastern Ukraine in March was carried out by a small drone.  The spectacular explosion and fire destroyed some seventy thousand tons of munitions with damage estimated at a billion dollars, though only one person was killed. This destruction is a graphic illustration of the threat posed by small drones, as many other high-value targets may be equally vulnerable.

Full details in my piece in Scout Warrior here