As the title says, the description of the Tactical Nuke Tech says:
Allows you to produce big shell like tactical nukes. Can be fired by a modified howitzer.
However, here are where the problems starts, first, you can't fire tactical nukes from your regular artillery, where IRL it was widely used before ICBM were researched, then, I had to look up the manual and it says:
This Tech allows you to design Artillery models than can launch small nukes. The tactical nke can only be installed on the Monitor Tank and the Automated Turret.
Second, you can't use the Modified Howitzer cannon on automated turrets
I would really appreciate if we could have regular Artillery which its capable of launching nukes, it would make them still worthy by the late game and they aren't op since they only have 1 hex range and could be made them requiring machinery parts. Also since almost nobody uses automated turrets, they should be able to launch nukes, as the manual description says.