Eli5 what’s the difference between a “tactical” nuke, and just an ordinary nuke?

Question

Eli5 what’s the difference between a “tactical” nuke, and just an ordinary nuke?

In: 2

Answer 1

Size.

Tactical nuclear weapons are less powerful and also smaller, which makes them easier to deliver. For example, they could be launched as an artillery shell, which would not be possible with a larger warhead.