Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
Air Ace (Bronze)	Get 2 kills in a single Shootdodge in the Departure Lounge
Express Checkout (Bronze)	Kill 4 players within 3 seconds in the Imperial Palace
Keep Your Nose Clean (Gold)	Get 100 Kills as a member of the SPP
Long Arm of the Law (Bronze)	Win 20 Vendettas in the 55th Battalion HQ
M4 Murder (Bronze)	Level up your M4 Assault all the way to level 10