Rob fleshed out my opinion somewhat, having employed ordnance to send a message as well as create a tactical effect.
That said, awfully expensive way to do it. $2 mil of ordnance for $50k of mudbrick.
We used dozers to clear the rubble around the Government Center in Ramadi. But we also cratered a dirt causeway. The first 1000lb missed, the second missed, and finally they dropped a 2000lb bomb that did the trick. They were using LGB's rather than JDAM's, though.
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