Complete the indicated task to unlock the corresponding perk.

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.
Bouncing Betty x2: Reach level 24.
Bandolier: Reach level 40.
Primary Grenade x2: Reach level 44.
M2 Flamethrower: Reach level 65.

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.
Sleight Of Hand: Reach level 28.
Shades: Reach level 32.
Double Tap: Reach level 36.
Overkill: Reach level 56.

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.
Fireproof: Reach level 48.
Dead Silence: Reach level 52.
Iron Lungs: Reach level 60.
Reconnaissance: Reach level 64.

Vehicle Perks
Water Cooler: Reach level 4 (decreased turret overheat).
Greased Bearings: Reach level 4 (increased turret rotation speed).
Ordnance Training: Reach level 12.
Lead Foot: Reach level 28.
Coaxial Machine Gun: Reach level 40.