Assault:
UAV (3 kills): Shows enemies on the minimap. Lasts for 30 seconds. - Uav/Spy plane is automatically placed in the killstreaks system. So this one can be considered plausible.
Care Package (4 kills): Airdrop a random Assault killstreak. - I don't think they would bump this down one point now, especially if they're following the MW3 pointstreak system. I'm thinking that they'll put a support-care package and item-care package in the same point slot.
Predator Missile (5 kills): Control an air-to-ground missile. - The two games differ far too much for them to include this streak. The closest I can see treyarch going is the pegasus predator drone (maybe a 9 streak)
Sentry Gun (5 kills): Airdrop a placeable turret that detects and shoots at enemies. - Nope. I don't think they'll offer specific weapon packages.
Precision Airstrike (5 kills): Call in a directional airstrike. - Probably in there. Point requirement will most likely be higher though.
Attack Helicopter (7 kills): Call an Attack Helicopter into the air. Lasts for 40 seconds and has no defensive flares. - I can see this in there as well
Attack Dogs (8 kills): Call in a pack of vicious dogs that hunt down players and kill them with two bites. - It's 2025. I don't think dogs can do much work as killstreaks
Rolling Thunder (8 kills): Call in a B-52 bomber that does a carpet bomb of a selected area.
Quadrotor (9 kills): Call in a lethal RC drone. User-controlled, lasts for 40 seconds and has no defensive flares. Can be easily destroyed with bullets or with a single well-thrown EMP Grenade. - This will be a pointstreak. Might be an 11 streak though. No way of being sure yet.
AH-6 Overwatch (9 kills): Call in an AH-6 Little Bird that follows you around and shoots at any enemies that you encounter. - The AI's weapons might differ from just machine guns. M smaller missiles, maybe?
Pave Low (12 kills):Call in a powerful, heavily armoured assault helicopter. Lasts for 40 seconds and has one defensive flare. - Pave low is not likely to be in here. Probably a newer gunship instead.
AC-130 (12 kills): Be the gunner of an AC-130. Lasts for 40 seconds and has two defensive flares. - I doubt it
Support: Doubt it
UAV (4 kills): Shows enemies on the minimap. Lasts for 30 seconds. - No. In assault.
Counter UAV (5 kills): Disables enemy's radar. Lasts for 30 seconds. - No. Probably in assault though
Ballistic Vests (5 kills): Throw down a bag of Ballistic Vests that, when equipped, grants the player 50 extra health points. - probably inserted to support-care packages
SAM Turret (8 kills): Automated SAM turret that destroys enemy aerial vehicles. - No
Recon Drone (10 kills): Non-lethal RC drone that lets the player 'tag' enemy players for their teammates to kill. When enemies are 'tagged' they are shown as a red arrow on your team's minimap and shows their real-time movements. User controlled, lasts for 40 seconds and has no defensive flares. Can be easily destroyed with bullets or with a single well-thrown EMP Grenade. - maybe
Emergency Airdrop (15 kills): Calls in a C-130 Hercules that delivers four Care Packages, all containing Support pointstreak rewards. -
Blackbird (15 kills): Calls in an SR-71 Blackbird that shows enemies as red arrows on the minimap and tracks their real time movements. Lasts for 60 seconds and cannot be destroyed. - In assault if anything
EMP (15 kills): Disables all enemy electronics for 60 seconds. Destroys all enemy killstreaks and prevents enemy from calling in killstreaks while the EMP is active. - Might make a return considering the lethality of tech in 2025
Specialist :
Works the exact same way as it did in MW3. Yes, I know the recent BO2 leak says it's going to work differently -
Hopefully. No way of being sure until a release. Knowing treyarch, the create a class point system might be their way of letting you reach a nuke/moab killstreak. It'd be harder and would fit well in the game, imo.
Spraze
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In the quotes Are my opinions on this list. The additions that I suppose would be added are included in my
Bold comments.