Obtained and destroyed 10 enemies in a helicopter.

Flew beneath a falling chimney.

Destroyed 5 hostile vehicles from the air as the door gunner.

Took down a hostile fighter with a charged homing missile.

Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.

Kill a Juggernaut in Special Ops.

Earn 4 stars in Special Ops.

Destroy all enemies on vehicles during the prison break.

Captured a Tactical Spawn Area for the first time

Destroyed Stahl's Cruiser and left the planet on any difficulty

Used the secondary fire function of the WASP launcher to kill a single Helghast

Defeated the ATAC outside the Stahl Arms facility

Used the StA5X Arc Cannon to kill 3 Helghast with one shot