You've acquired S Rank in "The Bell-Stealing Drill".

Receive orders from Lancer.

Ensure your squad escapes safely from Cuba.

In Dead Ops Arcade, use a Speed Boost to blast through 20 or more enemies at one time.

Take down Castro with a headshot.

Defeat 20 enemies with a single punch, after softening them up with gunfire

Kill 30 enemies with headshots

Kill five enemies with a brutal combo

Defeat 250 enemies with headshots

Kill three enemies with one explosion

Kill 10 enemies with headshots

Defeated a foe with a bomb.

Took a snapshot.