Destroy all targets during the mortar sequence with only 4 shells in "Back on the Grid."

Defend the Russian President. Complete "Turbulence" on any difficulty.

Have $50,000 current balance in a Special Ops Survival game.

Complete the "Special Delivery" Special Ops mission on any difficulty.

Destroy 6 helicopters in the "Kill Switch" Special Ops mission.

Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Survive 1 wave in a Special Ops Survival game.

Complete the "Black Ice" Special Ops mission on Veteran difficulty.

Collect 22 Intel Items.

Melee 5 enemies in a row in Single Player or Special Ops.

Kill 20 enemies with the Chopper Gunner in a single run in "Return to Sender."

Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

Destroy 3 tanks with a single 105mm shot in "Iron Lady."

Kill 9 enemies with A-10 strafing runs in "Scorched Earth."

Complete a Special Ops Mission Mode game on Hardened or Veteran with no player getting downed.

Finish with your tank at full health in the "Iron Clad" Special Ops mission.

Rescue all the hostages in the Special Ops mission "Negotiator."

Complete the "Kill Switch" Special Ops mission on any difficulty.

Make it to Westminster. Complete "Mind the Gap" on any difficulty.

Complete "Persona Non Grata", "Turbulence", and "Back on the Grid" on Veteran difficulty.

Earn 48 stars in Special Ops Mission Mode.

Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Escape the city. Complete "Blood Brothers" on any difficulty.

Assault the shipping company. Complete "Return to Sender" on any difficulty.