+1 for a dynamic battlefield.

I like the idea of the moving MCCs and the moving redline.

But what if we took it one step further. What if the redline was actually a defensive shield deployed by the MCC (or the physical border of it's shields). A barrier that prevented high speed projectiles from entering or exiting but allowed the deployment of vehicles and troops. Perhaps when a MCCs shields are depleted this defensive shield could shrink slightly to reflect the fact that the MCC is more exposed. It makes sense that the MCC is deployed because it provides a protected environment for the deployment of clones.

I think this could solve the redline sniping (rail rifle and rail turret) and redline camping. Plus it provides real context as to why a redline exists at all, and why an MCC is used to deploy clones (as opposed to orbital drops, etc)

You have a point, yes. But typically speaking high ground offers that, plus visibility (information) and additional security against incoming enemies. Essentially high ground tends to give a sniper the three things he or she is really looking for.

This idea would create a need for more CRUs and supply depots since tankers and equipment on soldiers always eventually need a resupply and not having permanent ground spawn will cause a big problem in that regard

I see no reason as to why we would need more CRUs or supply depots, since in most battles Tankers more-often-than-not tend to destroy the opposing side's supply depots and CRUs anyway. Resulting in neither side having any of the aforementioned infrastructural elements thereby creating an intense reliance an spawn pads, nanohives, and the MCC anyway.

Although, if we were to have the ability to call down our own infrastructural elements(i.e. CRUs,Turret Installations,Supply Depots, as I've read might be coming anyway) this might alleviate your concerns in this regard.

Or they could create a module that will allow any vehicle, that can afford to equip it, the ability to become a mobile supply depot in much the same way as Tankers and Dropship pilots equip the mobile CRU module.

HEY I'M NOT DONE TALKING ABOUT THIS YET!!