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  Main Armaments Modification 1
  Increases survivability and accelerates repairs of the main battery and torpedo tubes
  Risk of main battery becoming incapacitated	-20 %
  Main battery survivability	+50 %
  Main battery repair time	-20 %
  Risk of torpedo tubes becoming incapacitated	-20 %
  Torpedo tubes survivability	+50 %
  Torpedo tubes repair time	-20 %

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  Auxiliary Armaments Modification 1
  Increases survivability of the secondary battery and AA mounts
  Secondary battery survivability	+100 %
  AA mount survivability	+100 %

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  Magazine Modification 1
  Reduces the risk of magazine detonation
  Risk of your ship's magazine detonating	-70 %

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  Damage Control Party Modification 1
  Increases the action time of the Damage Control Party and Fast Damage Control Team consumables.
  Action time of the consumable	+40 %

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  Damage Control System Modification 1
  Reduces the risk of fire and flooding.
  Risk of catching fire	-5 %
  Risk of flooding	-3 %

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  Engine Room Protection
  Reduces the risk of incapacitation, and accelerates repairs of the engine and steering gears.
  Risk of engine becoming incapacitated	-20 %
  Engine repair time	-20 %
  Risk of steering gears becoming incapacitated	-20 %
  Steering gears repair time	-20 %

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  Hydroacoustic Search Modification 1
  Increases the action time of the Hydroacoustic Search and Short-Range Hydroacoustic Search consumables.
  Action time of the consumable	+20 %

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  Main Battery Modification 2
  Increases the traverse speed of the main turrets
  Main battery traverse speed	+15 %

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  Secondary Battery Modification 1
  Extends firing range and increases firing accuracy of the secondary battery
  Maximum dispersion of secondary battery shells	-20 %
  Secondary battery firing range	+20 %

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  AA Guns Modification 1
  Improves AA efficiency
  Priority AA sector preparation time	-20 %

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  Aiming Systems Modification 1
  Increases the firing accuracy of the main battery and secondary battery, accelerates the traverse speed of torpedo tubes, and extends the firing range of the secondary battery
  Maximum dispersion of main battery shells	-7 %
  Maximum dispersion of secondary battery shells	-5 %
  Secondary battery firing range	+5 %
  Torpedo tubes traverse speed	+20 %

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  Smoke Generator Modification 1
  Increases the action time of the Smoke Generator, Short-Burst Smoke Generator, and Crawling Smoke Generator consumables, but reduces smoke screen duration. The effects are not applicable to the Exhaust Smoke Generator consumable.
  Smoke screen dispersion time	-5 %
  Action time of the consumable	+30 %

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  Damage Control System Modification 2
  Accelerates fire extinguishing and recovery from flooding
  Fire extinguishing time	-15 %
  Flooding recovery time	-15 %

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  Steering Gears Modification 1
  Reduces rudder shift time
  Rudder shift time	-20 %