Sub,
Have you been shot at? You ever land in an LZ under fire from hostile forces within 100 meters or less of your lofty perch in a Chinook?
You reckon a fast jet can do squat for you when that is going on?
The AC-130 can do miracles but how many of those do you lot have dedicated to your support? How long you going to have to wait for one of them to show up after you find yourself parked in the middle of a rifle range during a live fire practice?
You ever seen what a real gunship pilot can do when he knows his stuff?
As to the magic hour....the sad and tragic part of war is soldiers have been getting maimed and killed in them forever and that will not change ever. The key is to have all the firepower in the world hovering about (or orbiting overhead in the case of the AC130 and fast movers).
The AQ nor Taliban will run to Momma....that is exactly the point. They will gladly kill you if they have an opporunity. When they learn it is a losing process when the Apaches are there....they might just decide to play with the baby's Momma instead of taking a whack at you. Go in with just your Wokka and big ego and you will come second sooner or later.