Another anti-drone weapon system brain phart - podded unit comprising a gimbal mounted LMG/minigun with EO unit, MMW sensor mounted below, automated or with man-in-loop, the whole unit suspended below a barrage balloon at say 1000'. Array of balloons with interlocking fields of fire. The last line of defence could be additionally fitted with a couple of Martlets as a final last-ditch means of engaging the drone.