Modern Warfare 3, Leaks!

You heard it from Gamer's Savior first!  There will be three class types in Modern Warfare 3: Assault, Support, and Specialist.  Note that these may be changed, this is leaked information so it is not all confirmed!

Assault Killstreaks
4 Kills = Care Package
5 Kills = IMS (Three or four placeable mines that are not affected by stun or flash grenades)
5 Kills = Predator Missile
5 Kills = Sentry Gun
6 Kills = Precision Airstrike
7 Kills = Attack Helicopter
7 Kills = Little Bird Flock (Mini Helicopters that patrol the map)
9 Kills = Little Bird Gaurd (Big Helicopter that follows protects and follows you around the map)
9 Kills = Reaper (Five mortar strikes)
10 Kills = Talcon (Mini Robot Tank)
12 Kills = AC-130
12 Kills = Pavelow
15 Kills = Juggernaught Suit
15 Kills = Osprey Gunner (Controllable Chopper Gunner that drops Care Packages)

Support Killstreaks
4 Kills = UAV
5 Kills = Counter UAV
5 Kills = Ballistic Duffel (Juggernaught for the entire team)
5 Kills = Airdrop Trap (Hacked Care Package)
8 Kills = Sam Turret
10 Kills = Remote UAV (Targets enemies with missiles)
12 Kills = Advanced UAV (Blackbird)
12 Kills = Remote Turret (Controllable Sentry Gun)
12 Kills = Stealth Bomber
18 Kills = EMP
18 Kills = Juggernaught Recon Armour
18 Kills = Escort Airdrop (Five Care Packages, one is hacked)

Specialist
2 Kills = Extra Perk
4 Kills = Extra Perk
6 Kills = Extra Perk

Deathstreaks
4 Deaths = Juiced (Lightweight)
4 Deaths = Martyr
4 Deaths = Final Stand
5 Deaths = Revenge (Last person that killed you is always visible on your radar)
6 Deaths = Dead Man's Hand (Suicide C4 bomber)

+ = Pro

Tier 1
Extreme Conditioning = Sprint longer distances + Climb obstacles faster
Sleight of Hand = Reload faster + Faster weapon swapping
Scavanger = Reload ammo from bags + Spawn with more ammo
Blind Eye = Undetectable from air support + Faster launcher lock on and extra damage to air support
Recon = Explosive damage marks target on HUD + Bullet damage marks target on HUD

Tier 2
Hardline = One less kill for killstreak + Two assists count as a kill towards next killstreak
Assassin = Immune to UAV, Motion Sensor, Thermal and Heartbeat Sensor + Immune to CUAV & EMP
Overkill = Two primary weapons + Second primary can have 2 attachments
Quckdraw = Faster aim down sights + Faster animation of using equipment and throwing grenade
Blastshield = Flack Jacket (Immune to most explosives) + Immune to stuns and flashes

Tier 3
Sitrep = Enemy equipment is visible + Enemy footsteps are more clear
Dead Silence = Your footsteps are silent + No fall damage
Stalker = Faster movement with ADS + Delay on claymores
Marksman = ID target from range + Longer hold breath on scoped weapons
Steady Aim = Increased hip fire accuracy + Faster aim down sight while sprinting.