Boomer:
Okay assume she demolished all artillery, AA and missle systems she could get to either at the source or in relay connections I did role well earlier on her engineering skill when placeing them, figuring they might have left gaps in the protection. Breaker boxes, relays and other points she could also mess with a 4 oz. C-4 charge could take out a relay hub from the inside if they left a pane unshielded by concrete for example or were lazy elsewhere.
Artillery cannon is out then. They are just finding that out as they get there.
On the AA the flak cluster had guys on it so you couldn't get close without being spotted. The rest of the AA is indeed out of action. Both at the weapons and the control lines.
Bunker also took damage to one of its vent. You just can't see the chaos that caused. :-)
Boomer:
With the buildings with armor piercing rounds get passed the materials?
Actually yes. Morita AP rounds will go through the stone buildings.
Soldiers are trained in basic penetration abilities and your power suits likely have a reference computer anyway.
Shots to penetrate cover are always tricky. For example might happen to be a plumbing pipe in the path your round goes.
The Quonset Huts are thin steel or the putty-steel on canvas. It holds in air, stops rain and so on. Its like sheet metal so normal rounds can penetrate.
The training computers take that into account in the high tech future we are in.