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Can we bring back war zeppelins? Please? Just so they can blast Wagner all over the battlefield.
And develop infantry drones. Infantry using full-body suits to control robots in the field, a la that little fucking kid in the Lost in Space movie and "Robot"
War Zeppelins began their fall from military grace when incendiary rounds were invented. Filled with Helium, their enemy now would be Radar, which would make literally flying circles around them easy, and that even assuming North Korea is relying solely on WW2 era tech, even that is advanced enough to blow them away.
Well, not really. You have to use a mixture of incendiary and explosives. Can't ignite the gas without mixing it with air first. There were many other problems with airships, mostly staying on course. (Half the damage done by German raids on Britain during WW I was done by a single airship, during a single raid, because for once it managed to hit central London. It's estimated only 10% of the bombs managed to hit anything.) Other problems were the fact that they were very susceptible to Storms (many more have been lost to Storm then to fire) and needed lots of maintenance. On average, airships were only available for 40%-20% of the time.
Besides, while being very large, airships can be hard to detect on radar, if constructed out of correct materials.
Anyway, in modern days they wouldn't be near the battlefield. Airborne radar facilities and perhaps massive cargo transport would be the limits of their deployments. If you somehow detests ships, you can also use them to deploy drones and aircraft.