Call of Duty XP is bursting with information about Call of Duty: Modern Warfare 3. Here are the key elements you need to know in order to understand the changes coming to November's big shooter.

Streaks now come in the form of classes. Depending on if you choose Assault, Support or Specialist, you'll gain access to different kill streaks and perks to unlock during your time in battle. You'll still find many of your favorites, but the Specialist Strike Package simply receives perks as its reward.



Love your favorite gun? Prove it by leveling it up alongside your character and unlocking different proficiencies such as lowering the kick, steadying the aim, and gaining additional attachment slots.



Well, not exactly, but assists and hitting objectives will add to your streak count if you choose the Support Strike Package. You'll nab quick streaks for helping the team as opposed to killing everyone in sight.



Kill Confirmed is a new mode that required players to collect dog tags from players they've killed. If the enemy gets the dog tags first, the kill doesn't count (and vice versa). This kill and collect mode forces you to consider where you're laying bodies down and if it's safe to run an grab your trophy. Kill and death stats are significantly lower in this mode.



Now you can jump into a Juggernaut suit and tackle your favorite multiplayer map. For a streak of 17 you can hop into the gunner seat of an Osprey as the helicopter drops supply crates around the map. Trick your enemies with booby-trapped supply crates. These are just a few of the options available to players via different Strike Packages.



The developer's goal is to bring Modern Warfare 3 back to the guns. This means no nukes ending a match and no over-the-top powers that sway the balance. As a side note, diving to ground from Black Ops has disappeared.



If you level up your weapon far enough, you'll nab the option to slap a second scope on it. Shoot the way you want to shoot by flipping between two styles of scopes.



Pick yourself up a Bouncing Betty and witness some surprise explosions when this little mine pops into the air and explodes.

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There's a lot more in the details when it comes to changes, but these key elements are where you'll see changes first. For some more information on these elements in play, check out our hands on preview.

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