CW: Secret Missions achievements

Killed 75 enemies with head shots.

Completed a mission below the target time and completed all the bonus objectives.

Completed a mission below the target time.

Completed all bonus objectives.

Earned the rank of General.

Killed 750 enemies.

Killed 50 enemies using sidearms.

Killed 25 enemies using melee attacks.

Shot all explosive barrels in every mission.

Earned the rank of Colonel.

Completed a mission with over 95% accuracy.

Completed all missions below the target time.