Marauder Type-A

It's interesting how you have two concepts for the same model design - versatility like that is true in any military.

To be anti-air, those would have to be some hella-fast tracking turrets. The turret design is sound - it looks like it has full ability to swivel about. Maybe include some jamming for radar or communication frequencies that the hostiles use? (In other words, more eye candy).

The six "circle" style devices on the back confuse me. Perhaps if you did a write-up on some of the specifics of this model?

One other thing, and this is more a personal belief - is that if this is indeed going to be an AAA type machine, you should have it with more than one main turret. Chances are the enemy is going to come with a mess of fighters/bombers/support craft, and if only 1 target can take fire at a time, you're going to need a lot of these tanks to get the job done. I understand that there would be many unit types engaged in the field, but it would also mean it would not be as cost effective.

Overall, again good model.