Reach the sniper perch without being detected in Ambush.

Request Aiello to toss you signal smoke and call in mortar strikes 10 times.

Successfully escort the pole charge engineer to the pillbox in Hill 493.

Sneak through the Dragon's Teeth undetected in Death Factory.

Complete Collateral Damage.

Complete Liberation.

Sneak through the courtyard undetected in Liberation.

Complete Stronghold.

Request Pierson to spot enemies 25 times.

Complete Operation Cobra.

Save 5 allies by throwing away a live enemy grenade.

Completed Chapter 1 of Episode 1