Extreme challenge
Complete all the campaign missions on Elite difficulty.
8/28/2011
9:55:48 AM
Very Rare 5.0%
General of the Airforce
Become "General of the Airforce" (level 40).
8/27/2011
11:37:01 PM
Ultra Rare 1.1%
Campaign Complete: Normal
Complete all the campaign missions on Normal difficulty.
8/27/2011
6:27:37 PM
Rare 28.5%
Operation Twilight
Unlock and finish the 18th mission of the Campaign on Normal, Hard, or Elite.
8/27/2011
2:59:27 AM
Rare 28.8%
Operation Javelin
Unlock and finish the 17th mission of the Campaign on Normal, Hard, or Elite.
8/26/2011
9:50:03 PM
Rare 29.9%
Operation Wildhorse
Unlock and finish the 16th mission of the Campaign on Normal, Hard, or Elite.
8/26/2011
4:40:40 PM
Rare 30.6%
Operation Thunderbolt
Unlock and finish the 15th mission of the Campaign on Normal, Hard, or Elite.
8/26/2011
11:31:16 AM
Rare 31.2%
Operation Backhand
Unlock and finish the 14th mission of the Campaign on Normal, Hard, or Elite.
8/26/2011
6:21:53 AM
Rare 33.9%
Operation Iron Arrow
Unlock and finish the 12th mission of the Campaign on Normal, Hard, or Elite.
8/26/2011
1:12:29 AM
Rare 38.6%
Operation Torchlight
Unlock and finish the 11th mission of the Campaign on Normal, Hard, or Elite.
8/25/2011
8:03:06 PM
Rare 39.7%
Operation Red Eagle
Unlock and finish the 10th mission of the Campaign on Normal, Hard, or Elite.
8/25/2011
2:53:42 PM
Rare 41.8%
Operation Stiletto
Unlock and finish the 9th mission of the Campaign on Normal, Hard, or Elite.
8/25/2011
9:44:19 AM
Rare 42.6%
Operation Ulysses
Unlock and finish the 8th mission of the Campaign on Normal, Hard, or Elite.
8/25/2011
4:34:55 AM
Rare 48.9%
Operation Backfire
Unlock and finish the 7th mission of the Campaign on Normal, Hard, or Elite.
8/24/2011
11:25:32 PM
Common 51.0%
Operation Glass Hammer
Unlock and finish the 6th mission of the Campaign on Normal, Hard, or Elite.
8/24/2011
6:16:08 PM
Common 53.5%
OFF certification
Unlock and finish the 5th mission of the Campaign on Normal, Hard, or Elite.
8/24/2011
1:06:45 PM
Common 56.0%
Operation Blacklight
Unlock and finish the 4th mission of the Campaign on Normal, Hard, or Elite.
8/24/2011
7:57:21 AM
Common 57.4%
Operation Cobalt
Unlock and finish the 3rd mission of the Campaign on Normal, Hard, or Elite.
8/24/2011
2:47:58 AM
Common 63.5%
Operation Adder
Unlock and finish the 2nd mission of the Campaign on Normal, Hard, or Elite.
8/23/2011
9:38:34 PM
Common 67.2%
Operation Ghost Rider
Finish the 1st mission of the Campaign on Normal, Hard, or Elite difficulty setting.
8/23/2011
11:19:47 AM
Common 81.0%
