oh yaeh and classes are engineer and not sure on second 1 yet
There are four (4) classes.
The soldier
The medic
The engineer
The operative
Soldier gives out ammo and specializes in explosives.
Medic heals and revives players and can buff there health.
Engineer can build sentrys plant mines and buff weapons.
Operative can interrogate downed enemies and place hack sentrys.
There's more they can do but I didnt feel like listing it all