The cost of such a weapon was not something that effected the production of say fighters… it was a cost but not something that could take away from a military budget
More IPC means more control/fortification/assembly points. Atomic bomb affects a limited region.
But does both economic and military damage. After a nuclear attack units can’t fortify there anymore.
Economic damage: Attacker rolls 1d6 for permanent reduction of IPC income.
Military damage: Defender divides units into a number of groups equal to the territory’s IPC income divided by 3. Attacker selects 1 group. Each unit in the group rolls for survival, surviving on a 1.
+++++ this is kinda arbitrary… why do the thing where you divide into 3 groups based on this and that…why cant each unit just make one saving roll? So germany is at 20 IPC (with Italy) and you have to make 20 different groups and basically one unit dies? Can a more systematic idea work better.
(First bomb would kill 1/3 of units in Japan and reduce income. Second bomb would kill 1/2 of units in Japan and reduce income. Third bomb would kill all units in Japan and reduce income to zero.)
++++ this is probably good… better.