BUT WAIT THERES MORE!
Remember the controllable UAV-1 from Bad Company 2 (the little unmanned heli)? Well the 'SUAV was mentioned so it could mean thats returning or a new vehicle entirely. Its probably an alternative to the MAV which itself is a SUAV. Along with that Dirt Bikes are also returning and an new vehicle, the "Bomber" (we can guess the function) is being added.