The word entirely is perhaps too broad.cjl said:They are quite expensive though, so I'm not sure they'll ever entirely replace older style unguided shells.
I think it is interesting to watch what happens. If it takes only 1 guided projectile to destroy the target rather than 100 or 1000 dumb ones, then it is probably cheaper, and has fewer incidental victims. The same argument applies to smart bombs, or even to cruise missiles. Expense versus accuracy.
Recent news of another expensive, but highly selective weapon.
Secret U.S. Missile Aims to Kill Only Terrorists, Not Nearby Civilians
Weapon doesn’t explode, but brandishes knives to shred target; it was used in high-profile strikes in 2017 and this year