Unlock the following perks by performing the corresponding tasks:
Perk Slot 1
Special Grenade x3: Reach level 4 (three special grenades, no smoke). Satchel Charge x2: Reach level 4 (two remote detonation explosives). M9A1 Bazooka x2: Reach level 4 (bazooka with two rockets). Bomb Squad: Reach level 16 (seek out enemy explosives). Bouncing Betty x2: Reach level 24 (two pressure activated mines). Bandolier: Reach level 40 (extra ammunition magazines). Primary Grenade x2: Reach level 44 (two primary grenades). M2 Flamethrower: Reach level 65 (projects a controlled stream of fire).
Perk Slot 2
Stopping Power: Reach level 4 (increased bullet damage). Fireworks: Reach level 4 (higher explosive weapon damage). Flak Jacket: Reach level 4 (reduce explosive damage). Gas Mask: Reach level 4 (protect against Tabun Gas). Juggernaut: Reach level 4 (increased health). Camouflage: Reach level 12 (undetectable to enemy recon planes). Sleight Of Hand: Reach level 28 (faster reload). Shades: Reach level 32 (reduce intensity of signal flares). Double Tap: Reach level 36 (increased rate of fire). Overkill: Reach level 56 (carry two primary guns, no pistol).
Perk Slot 3
Deep Impact: Reach level 4 (deeper bullet penetration). Extreme Conditioning: Reach level 4 (sprint for longer distances). Steady Aim: Reach level 4 (increased hip fire accuracy). Toss back: Reach level 6 (reset fuse of picked up grenades). Second Chance: Reach level 9 (revive downed allies). Martyrdom: Reach level 20 (drop a live grenade when killed). Fireproof: Reach level 48 (reduce fire based weapon damage). Dead Silence: Reach level 52 (less sound when you move). Iron Lungs: Reach level 60 (longer breath hold while sniping). Reconnaissance: Reach level 64 (show enemy dogs, artillery, and tanks).
Water Cooler: Reach level 4 (decreased turret overheat). Greased Bearings: Reach level 4 (increased turret rotation speed). Ordnance Training: Reach level 12 (decrease reload time of turrets). Lead Foot: Reach level 28 (increases tank top speed). Coaxial Machine Gun: Reach level 40 (driver controlled machine gun).