Northrup Grumman's Cannon-Based Air Defense: Long range artillery, medium-range autocannons and rapid fire HMGs all with guided projectiles could defend against swarms of drones/rockets/missiles much cheaper than an all-anti-missile-missile based defense.

AI will enable drones to fly at treetop height, which means it'll be very, very hard to counter with massed direct fire because of hiding from sight.

So in other words, Bofors needs to revive this project.

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Flak cannons are so back baby!

I have a feeling that this works better for the older generation of expensive drones. More modern low cost drone swarms might make this fairly impractical. especially compared to lasers n the like. still vry cool, but i wonder how much one of those guided munitions actually costs

Return of the flak cannon.

bro , cannon shells to intercept cruise missile? Serious??

Is it just a concept that will take billions to develop and a decade of cost overruns to see the light of day ? Just curious

Dome defense has to expend fullspec rounds against potential waves of cheaper decoy reconswarms before the mainevent when sensors will have battlefield map cleared of fog on shooters that the AI then Tees off on faster than human reaction time at the cyberwhiteboard showing score

Shells and Cannons are cheaper than Air defense rockets. BUT they cant really react to the attacking missile evading randomly. Only their shrapnel burst may be their upside. It would be cheaper alternative to counter "Flying Bomb like" Kamikaze Drone Swarms.

The upgrade here is that each projectile is maneuverable, able to track targets.