Engineer
The Engineer is a master of technology, and accompanies vehicle crews to provide repair support on the go. They generally rely on their vehicles for protection and carry weapons like the P90 and G36C. Their vehicle repair equipment includes the Spanner, Pipe Wrench, and Fire Extinguisher.
Standard Issue: Colt .45, MP5, Spanner

Medic
Medics roam the field and provide aid to the wounded. Because they need to travel light, they equip light sub-machineguns and machine pistols like the Uzi and MP5. Their medkit can be upgraded for more efficient healing.
Standard Issue: Colt .45, MP5, Med Kit

Sniper
Snipers provide reconnaissance, long-distance cover fire, and take out specific targets. As snipers, they tend to act alone and fire from distant, covered positions. Their arsenal includes the PSG-1 and Arctic Warfare Magnum rifles.
Standard Issue: Colt .45, M24 Sniper Rifle, K400 frag grenade

Assault
Often deployed as an assault unit, these troopers compose the bulk of the infantry. Aggressive and deadly, Assault troopers are commonly found packing AK-47s, shotguns, and similar firearms.
Standard Issue: Colt .45, K2, K400 frag grenade

Heavy Trooper
Although Heavy troopers exist primarily to destroy enemy armor, they also have access to several extremely powerful anti-infantry weapons. Their available arms range from anti-tank mines to guided rockets and miniguns.
Standard Issue: Colt .45, Panzerfaust, TMA-1A landmine