Successfully complete the indicated task to unlock the corresponding number of 
A.C.E.S. points:

Assault
  +3: Kill an enemy or player behind cover with penetrating weapons. 
  +3: Kill an enemy or player with C4. 
  +2: Kill an enemy or player who is using a mounted machinegun. 
  +2: Kill an enemy or player with a frag grenade or breaching charge. 
  +2: Kill an enemy or player who is using a riot shield. 

Marksmanship
  +3: Kill an enemy or player at long range. 
  +3: Kill an enemy or player when they are on a rope. 
  +2: Kill an enemy or player while you are rappelling. 
  +2: Kill an enemy or player who is sprinting. 
  +1: Kill an enemy or player with a headshot. 

Close Combat
  +3: Kill an enemy or player at short range. 
  +3: Kill an enemy or player who is stunned or flashbanged. 
  +3: Kill an enemy or player by blind-fire. 
  +3: Kill an enemy or player from behind.