There is no circumstance where tactical nukes will be acceptable in a global conflict between nuclear powers. One nuke goes off and everyone will assume it's n

There is no circumstance where tactical nukes will be acceptable in a global conflict between nuclear powers. One nuke goes off and everyone will assume it's no-holds-barred. The potential to escalate to a full-on MAD scenario is just too high. If you can develop a drone swarm that can totally own an airspace then chances are you can develop drones that can beat them.