-Muffled shot: reduces the chance of being spotted while shooting. It has an cummulating effect with camo net and camo skill.
-Field repair: Increases the speed of track repairs. It can cummulate with the toolbox and the repairs skill.
Prior to these there were more:
-Master of disguise: It reduces the visibility of the tank while hiding in vegetation. Enhanced with Camo net or Camo skill.
-High Pain Resistance: reduces the probability of one of the crew members getting injured.
-Breath Hold: Increases the time your vehicle can stay underwater.
-Landing training: reduces damage taken from falls.
-Hidden movement: reduces the chance of being spotted while moving.
