Ten plus foot-mobiles

Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.

Professional

Earn all 3 stars in at least 15 different Special Op missions.

I'm the Juggernaut...

Kill a Juggernaut in Special Ops.

Desperado

Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.

It Goes to Eleven

Earn at least 1 star in 11 different Special Op missions.

Operative

Earn all 3 stars in at least 10 different Special Op missions.

Specialist

Earn 30 stars in Special Ops.

Blackjack

Earn 21 stars in Special Ops.

Operational Asset

Earn all 3 stars in at least 5 different Special Op missions.

The Harder They Fall

Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.

Charlie On Our Six

Earn 8 stars in Special Ops.

Hotel Bravo

Earn 4 stars in Special Ops.

No Rest For the Wary

Knife an enemy without him ever knowing you were there in Single Player or Special Ops.

Gold Star

Earn 1 star in Special Ops.

Unnecessary Roughness

Use a riot shield to beat down an enemy in Single Player or Special Ops.

Some Like it Hot

Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.

Royale with Cheese

Defend Burger Town.

Tag 'em and bag 'em

Find Rojas in the Favelas.

Two Birds with One Stone

Kill 2 enemies with a single bullet in Single Player or Special Ops.

Cold Shoulder

Infiltrate the snowy mountain side base.

Danger Close

Get hand picked for Shepherd's elite squad.

Three-some

Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.

Back in the Saddle

Help train the local militia.