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

Get hand picked for Shepherd's elite squad.

Destroy 100 aircraft.

Destroy a ship using bombs.

Successfully defend your leader in the "Baptism by Fire" mission.

Destroy 5 aircraft in one mission.

Slayer of Demon “Phalanx”

Call in your first air strike

Kill an enemy vehicle with an AT weapon

Kill or incapacitate 25 enemies

Eliminate the PLA Commander in Blinding The Dragon

Destroy Radar emplacement