Question is aimed at all vets from various countries.
To American veterans and current soldiers, happy 4th of July btw

Calm down everyone. It’s just going to be a bunch of air strikes

I know it’s never going to happen, since that would be like a trap springing, but hypothetically what would this play out like? What would the cost be, and how long would it last? Etc
Also what would the domestic effects in the US/Israel be on the civilian populace?