It seems that someone can open the side doors of the Puma and then switch from the Pilot to become a door gunner and then switch back. This exploit enables solo players to do the jobs of two pilots and while it can be a fun to do, it is abusive in a PvP environment.

I think there are other Puma classnames/variants, but I've attached the one that we use. This problem may affect them as well but cannot confirm.