https://en.wikipedia.org/wiki/Bofors_40_mm_Automatic_Gun_L/70 https://en.wikipedia.org/wiki/Bofors_40_mm_Automatic_Gun_L/7... Immediate post-WW2 vintage. The c

https://en.wikipedia.org/wiki/Bofors_40_mm_Automatic_Gun_L/70 https://en.wikipedia.org/wiki/Bofors_40_mm_Automatic_Gun_L/7... Immediate post-WW2 vintage. The classic design of AA gun. As far as I understand it from talking about Turkish drones, you mean https://en.wikipedia.org/wiki/Bayraktar_TB2 https://en.wikipedia.org/wiki/Bayraktar_TB2 style, aircraft size drones, rather than the quadcopter size ones? The latter can more easily hide in terrain.