I thought about this too, and in my opinion.
Re-arm pad should just be a re-arm pad.
But.... It would be cool if there was a repair pad inside each fighter hanger, and vehicle hanger. Then again, how long would you have to wait for a windshield to be replaced, or flap repaired ect.? Also, when your turret is down, is that the actual turret, or crew manning it? I can't imagine a turret being repaced in 30 seconds.