First Day of School
Complete 'S.S.D.D' and 'Team Player' on Veteran Difficulty.
2/23/2010
1:31:13 PM
Very Rare 7.1%
Operative
Earn all 3 stars in at least 10 different Special Op missions.
2/21/2010
5:21:56 PM
Very Rare 5.6%
Taking Back Ice-Harbor
Complete Soviet mission 3 on any difficulty level
2/16/2010
10:28:05 AM
Rare 47.5%
Operational Asset
Earn all 3 stars in at least 5 different Special Op missions.
2/15/2010
2:51:39 PM
Very Rare 9.7%
Pack Addict!
Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)
1/17/2010
4:17:32 PM
Very Rare 5.4%
No Rest For the Wary
Knife an enemy without him ever knowing you were there in Single Player or Special Ops.
11/24/2009
12:53:03 PM
Rare 25.3%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
11/24/2009
10:34:10 AM
Rare 33.0%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
11/23/2009
5:56:30 PM
Rare 21.2%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
11/22/2009
12:52:29 PM
Rare 17.0%