Effect : Grants the Concealment skill which reduces vehicle visibility. The skill is not trained to 100%: grants all crew members the Concealment skill trained to 100%. The skill is trained to 100%: an additional 10% to vehicle concealment.
Gearbox Intricacy
Effect : Grants the Smooth Ride skill which improves accuracy when firing on the move. The skill is not trained to 100%: grants the Smooth Ride skill trained to 100%. The skill is trained to 100%: doubles the effect of the Smooth Ride skill.
Steady Hand
Effect : Grants the Snap Shot skill which improves accuracy during turret rotation. The skill is not trained to 100%: grants the Snap Shot skill trained to 100%. The skill is trained to 100%: doubles the effect of the Snap Shot skill.
Combat Course
Effect : Grants the Clutch Braking skill which increases vehicle traverse speed. The skill is not trained to 100%: grants the Clutch Braking skill trained to 100%. The skill is trained to 100%: doubles the effect of the Clutch Braking skill.
Shell Organizer
Effect : Grants the Safe Stowage perk which increases ammo rack durability: the shells do not come into contact with each other. The perk is not trained to 100%: grants the Safe Stowage perk trained to 100%. The perk is trained to 100%: an additional 37.5% to ammo rack durability.
Increased Focus
Effect : Grants the Sixth Sense perk which allows the Commander to determine whether the vehicle has been spotted by the enemy. The perk is not trained to 100%: grants the Sixth Sense perk trained to 100%. The perk is trained to 100%: the Sixth Sense perk is activated 1 second earlier.
Duty Comes First
Effect : Grants the Call for Vengeance perk which allows a Radio Operator who survives the destruction of his vehicle to report enemy positions for an additional 2 seconds (12 seconds in total). The perk is not trained to 100%: grants the Call for Vengeance perk trained to 100%. The perk is trained to 100%: an additional 3 seconds for a Radio Operator who was not injured at the moment of his vehicle's destruction to report enemy positions (13 seconds in total).
Focus on Target
Effect : Grants the Designated Target perk which makes targeted enemy vehicles visible for an additional 2 seconds. The perk is not trained to 100%: grants the Designated Target perk trained to 100%. The perk is trained to 100%: an additional 2 seconds to the time a targeted enemy vehicle stays visible.
Experienced Firefighters
Effect : Grants the Firefighting skill which enhances firefighting abilities. The skill is not trained to 100%: grants all crew members the Firefighting skill trained to 100%. The skill is trained to 100%: an additional 50% to the Firefighting skill.