No, I'm afraid I'm too old to grasp the niceties of this. These folk intend to kill you, or your comrades; if they don't do it today, they'll try tomorrow. They are your enemy, and it is your sworn duty to kill them, and that's all there is to it.
Don't think you'd need a Paveway for a pick-up truck. Doesn't a Tornado have a 29 (?) mm cannon ? That should do. But what do I know - I only dropped bog-standard 500 lb and 250 lb H.E.s.
I've read somewhere that the Captain of "Conqueror", when he had "Belgrano" in his sights, had to signal Northwood for permission to fire. Can this really be true ? What would one of Nelson's captains have done ? - and Nelson would've Court-Martialled him if he didn't.
Autre temps, autre moeurs.