As you progress you'll be more and more useless to your team. This is due to awful match making. It is possible that you'll be using a heavy base and see people using lighter bases that have more hp than you. Also, the weapon balance is just... There is none! Every weapon that attacks though cover is an "I win" button. The worst being the mortar. Who in their right mind created a weapon where missing is better than hitting?! That gun lays mines down on miss with no limits at all! Spawn trap!