[steve86]

Now imagine if we could take control of that launched missile and re-direct it back towards the offending country.

Ballistic missiles, of course, aren't physically capable of doing that but the technique might apply handily to cruise missiles, RPVs, etc.

[adorno]

Ballistic missiles, of course, aren't physically capable of doing that

Okay, then...

If we can't control a missile's direction, perhaps we could cause it to detonate right above the skies of the offending country. Perhaps that's more doable.