The Green Beret can wield Pistols akimbo and heavy weaponry. The Sniper use scoped rifles and throwing knives and is the only one who can swim in freezing water. The Spy can use a silenced pistol and gas grenades (provided with a gas mask) and wear any uniforms acquired to fool lower ranked soldiers.
The Green Beret can utilize Pistols dual-wielded and heavy firepower. The Sniper excels with scoped rifles and throwing knives and is the only one who can navigate icy water. The Spy can use a muffled pistol and smoke grenades (accompanied by a gas mask) and wear any uniforms to deceive lower-ranking soldiers.