With Call of Duty: Modern Warfare 3 on it’s was in the coming months, it is important to brush up on the skills that Modern Warfare 2 gave us all and relearn the game play mechanics of this game, mecahnics that will (hopefully) be slightly different in some ways, but over all feel like the old MW2 once again. What exactly are the best classes, and could we see them again in MW3? While Black Ops quickly changed how players set-up their classes from Modern Warfare 2, MW3 could certainly bring something not too different to the table from that which was seen in MW2.