Perk 1
Lightweight - Move Faster (Pro)
Scavenger - Pick up ammo from fallen enemies. Replenish lethal grenades. (Pro)
Ghost - Undetectable by the Spy Plane and the Blackbird.
Flak Jacket - Reduces explosive damage.
Hardline - Killstreaks require 1 less kill.
Perk 2
Hardened - Bullets penetrate better.
Scout - Hold breath longer.
Steady Aim - Increased hip-fire accuracy.
Sleight of Hand - Faster reloads.
Warlord - Equip two attachments to your primary weapon.
Perk 3
Marathon - Longer sprint.
Ninja - Silent movement.
Second Chance - Pull out your pistol before dying.
Hacker - Ability to detect enemy equipment and explosives.
Tactical Mask - Reduces the effect of flash and concussion grenades.
Killstreaks
3 – Spy Plane
3 – RC-XD (remote bomb)
4 – Counter Spy Plane
4 – SAM Turret
5 – Care Package
5 – Napalm Strike
6 – Sentry Gun
6 – Mortar Team
7 – Attack Helicopter
7 – Valkyrie Rockets
8 – Blackbird
8 – Rolling Thunder
9 - Chopper Gunner
11 – Attack Dogs
11 - Gunship
Copied from horrible Kotaku:
http://m.kotaku.com/5628193/call-of-dut ... r-hands+on