First step
Conduct a flight manoeuvre during the first mission of the tutorial.
1/2/2010
4:51:16 AM
Common 91.2%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
11/14/2009
3:07:56 AM
Common 57.6%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
11/14/2009
3:03:35 AM
Common 54.5%
