User:DinhTuan1206

{{video|zqwa9ZlzMA8|How it Works: Upgrades. 30 Jun 2020}}
[[Image:Icon_12.png|left|60px]]A player earns access to '''Upgrades''' at [[Ship:Access Levels#Access Level 9|Access Level 9]], allowing him to customize and improve each ship's performance to suit his play style.  Ships of different tiers have access to different upgrades, described by the tables below.  Certain upgrades are unique to certain ship types or nations, or even to a specific ship; check the Notes table columns for more detail.<br /><br />

__TOC__   __NOEDITSECTION__

== Managing upgrades ==

One upgrade can be mounted in each slot.  A particular upgrade can be mounted only in its appropriate slot. 

An upgrade &mdash; mounted or demounted (in Inventory) &mdash; can be sold for half of its nominal purchase cost (some upgrades are not purchasable but obtained by other means).
<br>If the desired upgrade is available in Inventory, it may be mounted only from Inventory; an upgrade can be purchased only if one is not available in Inventory. 

A mounted upgrade can be demounted to Inventory for 25&thinsp;{{Doubloons}}, or sold.  When selling a ship, all upgrades mounted on that ship must either be sold or demounted. 
<br>If the amount of {{Doubloons}} is insufficient for demounting upgrades when selling a ship, they will be sold for {{Credits}} instead.

A mounted upgrade can be demounted to Inventory without any cost if any one of these instances below happens:
* When a tech-tree ship is sold as part of a line reset. See [[Ship:Research_Bureau|Research Bureau]] article for more details.
* When a rental ship is removed from player's account after the end of the rental period.
* When a Premium or Special ship is used for exchanging during a Trade-in event.

== Base Upgrades ==

'''Base upgrades''' are purchased for credits.  Some packages for purchase, challenge rewards, and mission rewards may also grant base upgrades. 
<br>During certain events, base upgrades can be purchased for half of their nominal cost. 

=== Slot 1 (Tier I+) ===
{| class="wikitable" style="width:100%" id="Slot1 Equipment"
|-
! width="60" | Icon
! width="235" | Equipment Name
! width="80" | Cost
! Description
! width="250" | Notes
|- id={{#shipstr:IDS_TITLE_PCM030_MainWeapon_Mod_I}}
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM030_MainWeapon_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM030_MainWeapon_Mod_I}}</h4>
|align="center" style="vertical-align:middle;"| 125,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM030_MainWeapon_Mod_I|description}}
* Risk of main battery becoming incapacitated: <span style="color:#18c942;">+20%.
* Main battery survivability: <span style="color:#18c942;">+50%.
* Main battery repair time: <span style="color:#18c942;">-20%.
* Risk of torpedo tubes becoming incapacitated: <span style="color:#18c942;">-20%.
* Torpedo tubes survivability: <span style="color:#18c942;">+50%.
* Torpedo tubes repair time: <span style="color:#18c942;">-20%.
|align="center" style="vertical-align:middle;" | Not available to [[Ship:Aircraft_Carriers|aircraft carriers]].
 

|- id={{#shipstr:IDS_TITLE_PCM031_SecondaryWeapon_Mod_I}} <!-- "Auxiliary Armaments Modification 1"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM031_SecondaryWeapon_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM031_SecondaryWeapon_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;"| 125,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM031_SecondaryWeapon_Mod_I|description}}
* Secondary battery survivability: <span style="color:#18c942;">+100%.
* AA mounts survivability: <span style="color:#18c942;">+100%.
|align="center" style="vertical-align:middle;" | Not available to [[Ship:Submarines|submarines]].
<br /> Stacks with <u>Preventive Maintenance</u> commander skills (both [[Ship:List_of_Commander_Skills#B_Preventive_Maintenance|battleship]] and [[Ship:List_of_Commander_Skills#D_Preventive_Maintenance|destroyer]]).

<!-- |- id={{#shipstr:IDS_TITLE_PCM032_PowderMagazine_Mod_I}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM032_PowderMagazine_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM032_PowderMagazine_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;" | 125,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM032_PowderMagazine_Mod_I|description}}
* Risk of your ship's magazine detonation: <span style="color:#18c942;">-70%.
|align="center" style="vertical-align:middle;" | (Note that the Juliet Charlie&#8239;{{Juliet Charlie|Size=18px}} signal flag provides 100% protection.)<br>[[Ship:Aircraft_Carriers|Aircraft carriers]] and [[Ship:Submarines|submarines]] cannot detonate.
-->
|- id={{#shipstr:IDS_TITLE_PCM034_Guidance_Mod_0}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM034_Guidance_Mod_0.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM034_Guidance_Mod_0|mark}}</h4>
|align="center" style="vertical-align:middle;" | 125,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM034_Guidance_Mod_0|description}}
* Main battery traverse speed: <span style="color:#18c942;">+20%.
* Maximum dispersion of main battery shells: <span style="color:#18c942;">+40%.
* Torpedo tubes traverse speed: <span style="color:#18c942;">+20%.
* Secondary battery maximum firing range: <span style="color:#18c942;">+20%.
* Maximum dispersion of secondary battery shells: <span style="color:#18c942;">-40%.
|align="center" style="vertical-align:middle;" | Available only to ''[[Iwaki Alpha]], [[Yubari]]'',<br>and ''[[Katori]]''.

|- id={{#shipstr:IDS_TITLE_PCM003_Airplanes_Mod_I}} <!-- Air Groups Modification 1-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM003_Airplanes_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM003_Airplanes_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;"| 125,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM003_Airplanes_Mod_I|description}}
<!-- | style="vertical-align:middle;" | Increases the speed of aircraft returning to the carrier.-->
* Air squadron return speed: <span style="color:#18c942;">-20% .
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].

|- id={{#shipstr:IDS_TITLE_PCM084_Pinger_Mod_I}} <!-- Sonar Modification 1-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM084_Pinger_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM084_Pinger_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;"| 125,000{{Credits}}
| style="vertical-align:middle;" | Improves sonar survivability:
<!-- | style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM084_Pinger_Mod_I|description}}:-->
* Risk of the sonar becoming incapacitated: <span style="color:#18c942;">-25%.
* Sonar repair time: <span style="color:#18c942;">-25%. 
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Submarines|submarines]].
|}

=== Slot 2 (Tier III+) ===

{| class="wikitable" style="width:100%" id="Slot2 Equipment"
|-
! width="60" | Icon
! width="235" | Equipment Name
! width="80" | Cost
! Description
! width="300" | Notes
|- id={{#shipstr:IDS_TITLE_PCM020_DamageControl_Mod_I}}
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM020_DamageControl_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM020_DamageControl_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;"| 250,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM020_DamageControl_Mod_I|description}}
* Risk of flooding when torpedoes hit the torpedo protection: <span style="color:#18c942;">-3%.
* Risk of catching fire: <span style="color:#18c942;">-5%.
|align="center" style="vertical-align:middle;" | Torpedo flooding modifier only applies to ships with a torpedo protection system (viewable under the Survivability tab of the Port screen).
<br /><br />Not available to [[Ship:submarines|submarines]].

|- id={{#shipstr:IDS_TITLE_PCM069_Movement_Mod_I}}
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM069_Movement_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM069_Movement_Mod_I}}</h4>
|align="center" style="vertical-align:middle;"| 250,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM069_Movement_Mod_I|description}} For engine and steering gears:
* Risk of engine and steering gear becoming incapacitated: <span style="color:#18c942;">-20%.
* Engine and steering gear repair time: <span style="color:#18c942;">-20%.
|align="center" style="vertical-align:middle;" | Not available to [[Ship:Aircraft_Carriers|aircraft carriers]].

|- id={{#shipstr:IDS_TITLE_PCM068_PlaneEngine_Mod_I}}
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM068_PlaneEngine_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM068_PlaneEngine_Mod_I}}</h4>
|align="center" style="vertical-align:middle;"| 250,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM068_PlaneEngine_Mod_I|description}}
* Squadron engine boost duration: <span style="color:#18c942;">+10%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].<br /><br />Stacks with the [[Ship:List_of_Commander_Skills#Improved_Engine_Boost|Improved Engine Boost]] skill.

|- id={{#shipstr:IDS_TITLE_PCM085_Pinger_Mod_II}} <!-- "Sonar Modification 2" -->
|align="center" style="vertical-align:middle;"| [[File:Icon modernization PCM085_Pinger Mod II.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM085_Pinger_Mod_II|mark}}</h4>
|align="center" style="vertical-align:middle;"| 250,000{{Credits}}
| style="vertical-align:middle;" | Quicker target acquisition:
<!-- | style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM085_Pinger_Mod_II|description}}:-->
* Sonar ping velocity: <span style="color:#18c942;">+10%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Submarines|submarines]].<br /><br />Stacks with the [[Ship:List_of_Commander_Skills#SS_Enhanced_Impulse_Generator|Enhanced Impulsed Generator]] commander skill.

|- id={{#shipstr:IDS_TITLE_PCM100_DamageControl_Mod_III}}
|align="center" style="vertical-align:middle;"| [[File:Wows_icon_modernization_PCM100_DamageControl_Mod_III.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM100_DamageControl_Mod_III}}</h4>
|align="center" style="vertical-align:middle;"| 250,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM100_DamageControl_Mod_III|description}}
* Damage taken from fire: <span style="color:#18c942;">-5%.
* Damage taken from flooding: <span style="color:#18c942;">-5%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Submarines|submarines]].
|}

=== Slot 3 (Tier V+) ===
{| class="wikitable"  style="width:100%" id="Slot3 Equipment"
|-
! width="60" | Icon
! width="235" | Equipment Name
! width="80" | Cost
! Description
! width="300" | Notes
|- id={{#shipstr:IDS_TITLE_PCM006_MainGun_Mod_II}} <!-- Main Battery Modification 2-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM006_MainGun_Mod_II.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM006_MainGun_Mod_II|mark}}</h4>
|align="center" style="vertical-align:middle;"| 500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM006_MainGun_Mod_II|description}}
* Main battery traverse speed: <span style="color:#18c942;">+15%.
|align="center" style="vertical-align:middle;" |  Stacks with <u>Grease the Gears</u> commander skills (<span style="color:#18c942;">+20%</span> for [[Ship:List_of_Commander_Skills#B_Grease_the_Gears|battleship]], <span style="color:#18c942;">+15%</span> for [[Ship:List_of_Commander_Skills#C_Grease_the_Gears|cruiser]] and [[Ship:List_of_Commander_Skills#D_Grease_the_Gears|destroyer]]) and {{Main Battery Modification 3}} upgrade.

|- id={{#shipstr:IDS_TITLE_PCM033_Guidance_Mod_I}} <!-- Aiming Systems Modification 1-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM033_Guidance_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM033_Guidance_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;"| 500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM033_Guidance_Mod_I|description}}
* Maximum dispersion of main battery shells: <span style="color:#18c942;">-7%.
* Torpedo tubes traverse speed: <span style="color:#18c942;">+20%.
* Secondary battery maximum firing range: <span style="color:#18c942;">+5%.
* Maximum dispersion of secondary shells: <span style="color:#18c942;">-5%.
|align="center" style="vertical-align:middle;" | [[Ship:Ships_of_U.S.A.#Battleships|American battleships]] have access to {{Artillery Plotting Room Modification 1}} instead.
<br /> Stacks with the cruiser commander skill [[Ship:List_of_Commander_Skills#Outnumbered|Outnumbered]] .

|- id={{#shipstr:IDS_TITLE_PCM028_FireControl_Mod_I_US}} <!-- Artillery Plotting Room Modification 1-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM028_FireControl_Mod_I_US.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM028_FireControl_Mod_I_US|mark}}</h4>
|align="center" style="vertical-align:middle;"| 500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM028_FireControl_Mod_I_US|description}}
* Main battery maximum firing range: <span style="color:#18c942;">+16%.
* Secondary battery maximum firing range: <span style="color:#18c942;">+5%.
* Maximum dispersion of secondary battery shells: <span style="color:#18c942;">-5%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Ships_of_U.S.A.#Battleships|American battleships]].<br /><br />Stacks with [[Ship:List_of_Commander_Skills#Long-Range_Secondary_Battery_Shells|Long-Range Secondary Battery Shells]], [[Ship:List_of_Commander_Skills#Improved_Secondary_Battery_Aiming|Manual Secondary Battery Aiming]] commander skills.

|- id={{#shipstr:IDS_TITLE_PCM067_Fighter_Mod_II}} <!-- ""Attack Aircraft Mod 1"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM067_Fighter_Mod_II.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM067_Fighter_Mod_II}}</h4>
|align="center" style="vertical-align:middle;"| 500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM067_Fighter_Mod_II|description}}
* Attack aircraft attack time: <span style="color:#18c942;">+2 seconds.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].

|- id={{#shipstr:IDS_TITLE_PCM066_TorpedoBomber_Mod_II}} <!-- "Torpedo Bomber Mod 1"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM066_TorpedoBomber_Mod_II.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM066_TorpedoBomber_Mod_II}}</h4>
|align="center" style="vertical-align:middle;"| 500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM066_TorpedoBomber_Mod_II|description}}
* Torpedo bomber attack time: <span style="color:#18c942;">+5 seconds.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].

|- id={{#shipstr:IDS_TITLE_PCM092_SkipBomber_Mod_I}} <!-- "Skip Bomber Mod 1"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM092_SkipBomber_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM092_SkipBomber_Mod_I}}</h4>
|align="center" style="vertical-align:middle;"| 500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM092_SkipBomber_Mod_I|description}}
* Skip bomber attack time: <span style="color:#18c942;">+2 seconds.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].

|- id={{#shipstr:IDS_TITLE_PCM070_Torpedo_Mod_IV}} <!-- "Torpedo Tubes Mod 1"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM070_Torpedo_Mod_IV.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM070_Torpedo_Mod_IV}}</h4>
|align="center" style="vertical-align:middle;"| 500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM070_Torpedo_Mod_IV|description}}
* Torpedo speed: <span style="color:#18c942;">+5%.
* Torpedo tubes traverse speed: <span style="color:#18c942;">+20%
* Risk of torpedo tubes becoming incapacitated: <span style="color:#18c942;">-40%
|align="center" style="vertical-align:middle;" | Not available to [[Ship:Aircraft_Carriers|aircraft carrier]]. 
<br />Stack with <u>Swift Fish</u> commander skills (both [[Ship:List_of_Commander_Skills#C_Swift_Fish|cruiser]] and [[Ship:List_of_Commander_Skills#D_Swift_Fish|destroyer]]).

|- id={{#shipstr:IDS_TITLE_PCM071_TorpedoBombs_Mod_I}}  <!-- "Aerial Torpedoes Mod 1"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM071_TorpedoBombs_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM071_TorpedoBombs_Mod_I}}</h4>
|align="center" style="vertical-align:middle;"| 500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM071_TorpedoBombs_Mod_I|description}}
* Aerial torpedo speed: <span style="color:#18c942;">+5%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].

|- id={{#shipstr:IDS_TITLE_PCM012_SecondaryGun_Mod_II}} <!-- "Secondary Battery Mod 1"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM012_SecondaryGun_Mod_II.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM012_SecondaryGun_Mod_II}}</h4>
|align="center" style="vertical-align:middle;"| 500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM012_SecondaryGun_Mod_II|description}}
* Secondary battery range: <span style="color:#18c942;">+20%.
* Maximum secondary battery dispersion: <span style="color:#18c942;">-20%.
|align="center" style="vertical-align:middle;" | Stacks with [[Ship:List_of_Commander_Skills#Long-Range_Secondary_Battery_Shells|Long-Range Secondary Battery Shells]], [[Ship:List_of_Commander_Skills#Improved_Secondary_Battery_Aiming|Manual Secondary Battery Aiming]] and [[Ship:List_of_Commander_Skills#C_Enhanced_Torpedo_Explosive_Charge|Pack-a-Punch]] commander skills.<br/> For more details, see the [[Ship:Secondary Armament|Secondary Armament]] article.<br /><br />Not available to [[Ship:Destroyers|destroyers]] and [[Ship:Submarines|submarines]].

|- id={{#shipstr:IDS_TITLE_PCM018_AirDefense_Mod_III}} <!-- "AA Guns Mod 1"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM018_AirDefense_Mod_III.png|link=]]
<!-- [[File:Icon_modernization_PCM018_AirDefense_Mod_III.png|link=]]-->
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM018_AirDefense_Mod_III}}</h4>
|align="center" style="vertical-align:middle;"| 500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM018_AirDefense_Mod_III|description}}
* Priority AA sector preparation time: <span style="color:#18c942;">-20%.
|align="center" style="vertical-align:middle;" | See the [[Ship:Anti-Aircraft Fire|Anti-Aircraft Fire]] article for the secrets of AA defenses.
<br />Not available to [[Ship:Aircraft_Carriers|aircraft carrier]].

|- id={{#shipstr:IDS_TITLE_PCM082_Autonomy_Mod_I}} <!-- "Dive Capacity Modification 1"-->
|align="center" style="vertical-align:middle;"| [[File:Icon modernization PCM082_Autonomy_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM082_Autonomy_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;"| 500,000{{Credits}}
| style="vertical-align:middle;" |<!-- | style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM082_Autonomy_Mod_I|description}}:-->
* Dive Capacity Recharge Rate per Second: <span style="color:#18c942;">+10%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Submarines|submarines]].<br /><br />Stacks with [[Ship:List_of_Commander_Skills#SS_Improved_Battery_Capacity|Improved Battery Capacity]] and [[Ship:List_of_Commander_Skills#SS_Improved_Battery_Efficiency|Improved Battery Efficiency]] commander skills.

|}

=== Slot 4 (Tier VI+) ===

{| class="wikitable" style="width:100%" id="Slot4 Equipment"
|-
! width="60" | Icon
! width="235" | Equipment Name
! width="80" | Cost
! Description
! width="300" | Notes
|- id={{#shipstr:IDS_TITLE_PCM023_DamageControl_Mod_II}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM023_DamageControl_Mod_II.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM023_DamageControl_Mod_II|mark}}</h4>
|align="center" style="vertical-align:middle;" | 1,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM023_DamageControl_Mod_II|description}}
* Fire extinguishing time: <span style="color:#18c942;">-15%.
* Flooding recovery time: <span style="color:#18c942;">-15%.
|align="center" style="vertical-align:middle;" | Stacks with the battleship commander skill [[Ship:List_of_Commander_Skills#Basics_of_Survivability|Basics of Survivability]] .

|- id={{#shipstr:IDS_TITLE_PCM024_Engine_Mod_II}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM024_Engine_Mod_II.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM024_Engine_Mod_II|mark}}</h4>
|align="center" style="vertical-align:middle;" | 1,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM024_Engine_Mod_II|description}}
* Time to reach full power when accelerating: <span style="color:#18c942;">-50%.
|align="center" style="vertical-align:middle;" | Not available to tech tree [[Ship:Ships_of_U.K.#Battleships|British battlecruisers]], [[Ship:Ships_of_U.K.#Cruisers| British light cruisers]], [[Ship:Ships_of_U.K.#Destroyers|British destroyers]], tech tree [[Ship:Ships_of_U.S.A.#Battleships|American standard battleships]] (''[[Kansas]]'', ''[[Minnesota]]'' and ''[[Vermont]]''.), tech tree [[Ship:Ships_of_Pan-America#Battleships|Pan-American battleships]] (''[[Ipiranga]]'', ''[[Los Andes]]'' and  ''[[Libertad]]''.) and ships with high acceleration parameter by default.
<ref> These include: <br>
* Destroyers: ''[[Huron]]'', ''[[Jupiter '42]]'', ''[[Cossack]]'' ''([[B]])'', ''[[Eskimo]]'', ''[[Barfleur]]'', ''[[Somme]]'', ''[[Druid]]'', ''[[Vampire II]]''.
* Cruisers: ''[[Mysore]]'', ''[[Perth]]'', ''[[Dido]]'', ''[[Orion '44]]'', ''[[Gambia]]'', ''[[Hampshire]]'', ''[[Belfast]]'', ''[[Belfast '43]]'', ''[[Tiger '59]]'', ''[[Erne]]'', ''[[STAR Edinburgh]]'', ''[[Hector]]'', ''[[Aberdeen]]'', ''[[Cursed Fang]]'', ''[[Gibraltar]]'', ''[[Monmouth]]'', ''[[Plymouth]]'', ''[[Brisbane]]'' ''([[B]])'', ''[[Pioneer]]'', ''[[Kitakami]]''.
* Battleships: ''[[Renown '44]]'', ''[[West Virginia '44]]'', ''[[California]]'', ''[[Royal Sovereign]]'', ''[[Indiana]]'', ''[[Valparaiso]]'', ''[[Incomparable]]''. </ref>
<br />Not available to [[Ship:Aircraft_Carriers|aircraft carriers]].<br />Details in footnote.<ref>[https://forum.worldofwarships.eu/topic/70767-propulsion-modification-2-some-new-research-and-results/ Research] seems to show that the specific effects are as follows: 
* '''-50% to time for reaching full power.''' This is the time needed to "spool" the engines to full power in the direction the ship is traveling, and thus achieve maximum acceleration away from 0 knots. In other words, it increases the first derivative of velocity (until the engines reach full power). It will ''not'' decrease the time it takes to reverse the engines to decelerate towards 0 knots. This effect is applied at all speeds.
* '''Increases engine power when the ship starts moving.''' This stat is hidden in-game. This increases the ship's acceleration away from 0 knots when between -6 and 6 knots displayed speed. In other words, it increases the first derivative of speed (within this speed band). It does ''not'' improve the ship's deceleration towards 0 knots.</ref>

|- id={{#shipstr:IDS_TITLE_PCM025_SteeringGear_Mod_II}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM025_SteeringGear_Mod_II.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM025_SteeringGear_Mod_II|mark}}</h4>
|align="center" style="vertical-align:middle;" | 1,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM025_SteeringGear_Mod_II|description}}
* Rudder shift time: <span style="color:#18c942;">-20%.
|align="center" style="vertical-align:middle;" | Not available to [[Ship:Aircraft_Carriers|aircraft carriers]] or [[Ship:Submarines|submarines]].

|- id={{#shipstr:IDS_TITLE_PCM093_Airplanes_Mod_IV}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM093_Airplanes_Mod_IV.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM093_Airplanes_Mod_IV|mark}}</h4>
|align="center" style="vertical-align:middle;" | 1,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM093_Airplanes_Mod_IV|description}}
* Squadron speed: <span style="color:#18c942;">+5%.
* Aircraft preparation time: <span style="color:#18c942;">-5%.
* Squadron HP: <span style="color:#18c942;">+15%.
|align="center" style="vertical-align:middle;" | Available only to hybrid ships. <ref> These include: ''[[Ise]]'', ''[[Tone]]'', ''[[Kearsarge]]'', ''[[Nebraska]]'', ''[[Delaware]]'', ''[[Louisiana]]'', ''[[Halford]]'', ''[[Kommissar]]'', ''[[Hildebrand]]'', ''[[Amiral Lartigue]]'', ''[[Chikuma II]]'' ''([[G]])'', ''[[Aki]]'' ''([[G]])''  and ''[[Bird Cry]]''.</ref> <br /><br />Stacks with <u>Focus Fire Training</u> commander skills ([[Ship:List_of_Commander_Skills#B_Expert_AA_Marksman|battleship]] and [[Ship:List_of_Commander_Skills#C_Expert_AA_Marksman|cruiser]]).

|- id={{#shipstr:IDS_TITLE_PCM063_Fighter_Mod_I}}   <!-- "Attack Aircraft Modification 2"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM063_Fighter_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM063_Fighter_Mod_I}}</h4>
|align="center" style="vertical-align:middle;" | 1,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM063_Fighter_Mod_I|description}}
* Attack aircraft HP: <span style="color:#18c942;">+7.5%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].
<br/>Stacks with [[Ship:List_of_Commander_Skills#Survivability_Expert_3|Survivability Expert]] commander skill
<br/>and {{Air Groups Modification 2}}.

|- id={{#shipstr:IDS_TITLE_PCM064_TorpedoBomber_Mod_I}}  <!-- "Torpedo Bombers Modification 2"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM064_TorpedoBomber_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM064_TorpedoBomber_Mod_I}}</h4>
|align="center" style="vertical-align:middle;" | 1,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM064_TorpedoBomber_Mod_I|description}}
* Torpedo bomber HP: <span style="color:#18c942;">+7.5%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].
<br/>Stacks with [[Ship:List_of_Commander_Skills#Survivability_Expert_3|Survivability Expert]] commander skill
<br/>and {{Air Groups Modification 2}}.

|- id={{#shipstr:IDS_TITLE_PCM065_DiveBomber_Mod_I}}  <!-- "Dive Bombers Modification 2"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM065_DiveBomber_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM065_DiveBomber_Mod_I}}</h4>
|align="center" style="vertical-align:middle;" | 1,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM065_DiveBomber_Mod_I|description}}
* +Bomber aircraft HP: <span style="color:#18c942;">+7.5%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].
<br/>Stacks with [[Ship:List_of_Commander_Skills#Survivability_Expert_3|Survivability Expert]] commander skill
<br/>and {{Air Groups Modification 2}}.

|- id={{#shipstr:IDS_TITLE_PCM081_SKIPBOMBER_MOD_I}}  <!-- "Skip Bombers Modification 1"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM081_SkipBomber_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM081_SKIPBOMBER_MOD_I}}</h4>
|align="center" style="vertical-align:middle;" | 1,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM081_SKIPBOMBER_MOD_I|description}}
* Skip bomber HP: <span style="color:#18c942;">+7.5%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].
<br/>Stacks with [[Ship:List_of_Commander_Skills#Survivability_Expert_3|Survivability Expert]] commander skill
<br/>and {{Air Groups Modification 2}}.

|- id={{#shipstr:IDS_TITLE_PCM089_DepthCharges_MOD_I}}  <!-- "Depth Charges Modification 1"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM089_DepthCharges_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM089_DepthCharges_MOD_I}}</h4>
|align="center" style="vertical-align:middle;" | 1,000,000{{Credits}}
| style="vertical-align:middle;" | More deep explody things. 
<!-- | style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM089_DepthCharges_MOD_I|description}}:--> 
* Number of Charges: <span style="color:#18c942;">+2.
|align="center" style="vertical-align:middle;" | Available to ships with ship-based ASW system.

|- id={{#shipstr:IDS_TITLE_PCM087_AirSupport_MOD_I}}  <!-- "Air Strike Modification 1"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM087_AirSupport_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM087_AirSupport_MOD_I}}</h4>
|align="center" style="vertical-align:middle;" | 1,000,000{{Credits}}
| style="vertical-align:middle;" | Stronger air strikes.
<!-- | style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM087_AirSupport_MOD_I|description}}:--> 
* Airstrike armament reload time: <span style="color:#18c942;">+20%.
* Airstrike aircraft HP: <span style="color:#18c942;">+25%.
* Depth charge damage: <span style="color:#18c942;">+15%.
|align="center" style="vertical-align:middle;" | Available to ships with anti-surface air strike capability and to those with no organic ASW weapon system.
<br />Stacks with <u>Focus Fire Training</u> (both [[Ship:List_of_Commander_Skills#B_Expert_AA_Marksman|battleship]] and [[Ship:List_of_Commander_Skills#C_Expert_AA_Marksman|cruiser]]) and <u>AA Defense and ASW Expert</u> (<span style="color:#18c942;">+10%</span> depth charges damage for [[Ship:List_of_Commander_Skills#B_AA_Gunner|battleship]] and <span style="color:#18c942;">+15%</span> for [[Ship:List_of_Commander_Skills#C_AA_Gunner|cruiser]]) commander skills.

|- id={{#shipstr:IDS_TITLE_PCM090_SteeringGearSubmarine_Mod_II}}  <!-- "Submarine Steering Gears Modification 2"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM090_SteeringGearSubmarine_Mod_II.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM090_SteeringGearSubmarine_Mod_II}}</h4>
|align="center" style="vertical-align:middle;" | 1,000,000{{Credits}}
| style="vertical-align:middle;" | For a more agile submarine.
<!-- | style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM090_SteeringGearSubmarine_Mod_II|description}}:--> 
* Rudder shift time: <span style="color:#18c942;">-50%.
* Diving plane shift time. <span style="color:#18c942;">-59%
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Submarines|submarines]].<br /><br />
Stacks with the {{Enhanced Rudder Gears}} consumable and the commander skill [[Ship:List_of_Commander_Skills#SS_Helmsman|Helmsman]].

|}
<references/>

=== Slot 5 (Tier VIII+) ===

{| class="wikitable" style="width:100%" id="Slot5 Equipment"
|-
! width="60" | Icon
! width="235" | Equipment Name
! width="80" | Cost
! Description
! width="300" | Notes
|- id={{#shipstr:IDS_TITLE_PCM026_LookoutStation_Mod_I}} <!-- "Torpedo Lookout_System_Mod_I"-->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM026_LookoutStation_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM026_LookoutStation_Mod_I}}</h4><ref>Replaces the Target Acquisition System Modification 1 upgrade.</ref>
|align="center" style="vertical-align:middle;" | 2,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM026_LookoutStation_Mod_I|description}}
* Assured acquisition range of torpedoes: 1.8 km.
|align="center" style="vertical-align:middle;" | Stacks with the battleship commander skill [[Ship:List_of_Commander_Skills#Vigilance|Vigilance]].<br />Does not extend the torpedo acquisition range for the {{Hydroacoustic Search}} consumable.<br /><br/>Not available to [[Ship:Aircraft_Carriers|aircraft carriers]] and [[ship:submarines|submarines]].

|-<!-- "Ship Consumables_Mod_I"-->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM072_AbilityWorktimeBoost_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>Ship Consumables Modification 1</h4>
|align="center" style="vertical-align:middle;" | 2,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM072_AbilityWorktimeBoost_Mod_I|description}}
* Ship consumable action time: <span style="color:#18c942;">+10%
* Ship consumable total usage time: <span style="color:#18c942;">+2.5%
|align="center" style="vertical-align:middle;" | [[Ship:Aircraft_Carriers|Aircraft carriers]] has access to {{Squadron Consumables Modification 1}} instead.
<br />Stacks multiplicatively with [[Ship:List_of_Commander_Skills#Emergency_Repair_Expert|Emergency Repair Expert]] and <u>Consumables Enhancements</u> (both [[Ship:List_of_Commander_Skills#C_Consumables_Enhancements|cruiser]] and [[Ship:List_of_Commander_Skills#D_Consumables_Enhancements|destroyer]]) commander skills, 

|- id={{#shipstr:IDS_TITLE_PCM073_AbilityWorktimeBoostCV_Mod_I}}  <!-- "Sqdn Consumables_Mod_I"-->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM073_AbilityWorktimeBoostCV_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>Squadron Consumables Modification 1</h4>
|align="center" style="vertical-align:middle;" | 2,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM073_AbilityWorktimeBoostCV_Mod_I|description}}
* Number of squadron consumable charges: <span style="color:#18c942;">+1.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].

|- id={{#shipstr:IDS_TITLE_PCM027_ConcealmentMeasures_Mod_I}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM027_ConcealmentMeasures_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM027_ConcealmentMeasures_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM027_ConcealmentMeasures_Mod_I|description}}
* Ship's detectability range: <span style="color:#18c942;">-10%.
* Squadron detectability range: <span style="color:#18c942;">-10%.
* Dispersion of shells fired by enemies attacking your ship: <span style="color:#18c942;">+5%
|align="center" style="vertical-align:middle;" | Stacks multiplicatively with various [[Ship:List_of_Commander_Skills|concealment]] skills. 
<br />Not available to [[Ship:Submarines|submarines]].

|- id={{#shipstr:IDS_TITLE_PCM035_SteeringGear_Mod_III}} <!-- "Steering Gears Modification 2"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM035_SteeringGear_Mod_III.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM035_SteeringGear_Mod_III|mark}}</h4>
|align="center" style="vertical-align:middle;"| 2,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM035_SteeringGear_Mod_III|description}}
* Rudder shift time: <span style="color:#18c942;">-40%.
* Steering gears repair time: <span style="color:#18c942;">-80%.
|align="center" style="vertical-align:middle;" | Not available to [[Ship:Battleships|battleships]], [[Ship:Aircraft_Carriers|aircraft carriers]] or [[Ship:Submarines|submarines]].<br /><br />Stacks with {{Steering Gears Modification 1}}. 

|- id={{#shipstr:IDS_TITLE_PCM009_FlightControl_Mod_I}}  <!-- "Flight Control Modification 1"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM009_FlightControl_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM009_FlightControl_Mod_I}}</h4>
|align="center" style="vertical-align:middle;"| 2,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM009_FlightControl_Mod_I|description}}
* Aircraft restoration time: <span style="color:#18c942;">-5%
* Squadron aircraft on deck: <span style="color:#18c942;">+2
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].<br /><br />Stacks with the [[Ship:List_of_Commander_Skills#Air_Supremacy|Air Supremacy]] skill.

|- id={{#shipstr:IDS_TITLE_PCM101_Torpedo_Mod_V}}  <!-- "Torpedo Tubes Modification 3 for subs"-->
|align="center" style="vertical-align:middle;"| [[File:Wows_icon_modernization_PCM101_Torpedo_Mod_V.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM101_Torpedo_Mod_V}}</h4>
|align="center" style="vertical-align:middle;" | 2,000,000{{Credits}}
<!-- | style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM101_Torpedo_Mod_V|description}}:--> 
| style="vertical-align:middle;" | 
* Torpedo damage: <span style="color:#18c942;">+7%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Submarines|submarines]].

|- id={{#shipstr:IDS_TITLE_PCM102_DepthChargeResist_Mod_I}}  <!-- "Reinforced Bulkheads"-->
|align="center" style="vertical-align:middle;"| [[File:Wows_icon_PCM102_DepthChargeResist_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM102_DepthChargeResist_Mod_I}}</h4>
|align="center" style="vertical-align:middle;" | 2,000,000{{Credits}}
<!-- | style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM102_DepthChargeResist_Mod_I|description}}:--> 
| style="vertical-align:middle;" | 
* Damage taken from depth charges: <span style="color:#18c942;">-15%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Submarines|submarines]].

|}
<references />

=== Slot 6 (Tier IX+) ===

{| class="wikitable" style="width:100%" id="Slot6 Equipment"
|-
! width="60" | Icon
! width="235" | Equipment Name
! width="80" | Cost
! Description
! width="300" | Notes
|- id={{#shipstr:IDS_TITLE_PCM013_MainGun_Mod_III}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM013_MainGun_Mod_III.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM013_MainGun_Mod_III|mark}}</h4>
|align="center" style="vertical-align:middle;" | 3,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM013_MainGun_Mod_III|description}}
* Main battery reload time: <span style="color:#18c942;">-12%.</span>
* Main battery traverse speed: <span style="color:#A52A2A;">-13%.</span>
|align="center" style="vertical-align:middle;" | Guns reload faster in exchange for slower turret traverse.
<br />Stacks multiplicatively with a number of [[Ship:List_of_Commander_Skills|commander skills]]. <ref> These include: [[Ship:List_of_Commander_Skills#Close Quarters Combat|Close Quarters Combat]], [[Ship:List_of_Commander_Skills#Furious|Furious]], [[Ship:List_of_Commander_Skills#Top Grade Gunner|Top Grade Gunner]], [[Ship:List_of_Commander_Skills#Main Battery and AA Specialist|Main Battery and AA Specialist]], [[Ship:List_of_Commander_Skills#Swift in Silence|Swift in Silence]] and [[Ship:List_of_Commander_Skills#Fearless Brawler|Fearless Brawler]]. </ref> <br /> Mitigated by the <u>Grease the Gears</u> commander skills (<span style="color:#18c942;">+20%</span> for [[Ship:List_of_Commander_Skills#B_Grease_the_Gears|battleship]], <span style="color:#18c942;">+15%</span> for [[Ship:List_of_Commander_Skills#C_Grease_the_Gears|cruiser]] and [[Ship:List_of_Commander_Skills#D_Grease_the_Gears|destroyer]]) and {{Main Battery Modification 2}} upgrade.

|- id={{#shipstr:IDS_TITLE_PCM014_Torpedo_Mod_III}} <!-- "Torpedo Tubes Mod 2" née 3-->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM014_Torpedo_Mod_III.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM014_Torpedo_Mod_III|mark}}</h4>
|align="center" style="vertical-align:middle;" | 3,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM014_Torpedo_Mod_III|description}}
* Torpedo tube reload time: <span style="color:#18c942;">-15%.
* Risk of torpedo tubes becoming incapacitated: <span style="color:#A52A2A;">+50%.</span>
|align="center" style="vertical-align:middle;" | Torpedo tubes reload faster in exchange for greater risk of incapacitation.
<br />Stacks with <u>Fill the Tubes</u> commander skills (both [[Ship:List_of_Commander_Skills#C_Fill_the_Tubes|cruiser]] and [[Ship:List_of_Commander_Skills#D_Fill_the_Tubes|destroyer]]).<br />Mitigated by {{Main Armaments Modification 1}}, {{Torpedo Tubes Modification 1}} upgrades and <u>Preventive Maintenance</u> commander skills (both [[Ship:List_of_Commander_Skills#B_Preventive_Maintenance|battleship]], [[Ship:List_of_Commander_Skills#D_Preventive_Maintenance|destroyer]] and [[Ship:List_of_Commander_Skills#SS_Preventive_Maintenance|submarine]]).
<br /> Not available to [[Ship:Aircraft_Carriers|aircraft carriers]].

|- id={{#shipstr:IDS_TITLE_PCM015_FireControl_Mod_II}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM015_FireControl_Mod_II.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM015_FireControl_Mod_II|mark}}</h4>
|align="center" style="vertical-align:middle;" | 3,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM015_FireControl_Mod_II|description}}
* Main battery firing range: <span style="color:#18c942;">+16%.
|align="center" style="vertical-align:middle;" | Not available to [[Ship:Ships_of_U.S.S.R.#Destroyers|Russian destroyers]], [[Ship:Ships_of_U.S.S.R.#Battleships|Russian battleships]] (except for ''[[AL Sov. Rossiya]]'', ''[[Navarin]]'', ''[[Mahtaga]]'', ''[[Slava]]'' and ''[[Sibir]]''), tech tree [[Ship:Ships_of_Italy#Battleships|Italian battleships]], or [[Ship:Ships_of_U.S.A.#Battleships|American battleships]].
<br />Stacks with the destroyer commander skill [[Ship:List_of_Commander_Skills#Main_Battery_and_AA_Specialist|Main Battery and AA Expert]]. 

|- id={{#shipstr:IDS_TITLE_PCM029_FireControl_Mod_II_US}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM029_FireControl_Mod_II_US.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM029_FireControl_Mod_II_US|mark}}</h4>
|align="center" style="vertical-align:middle;" | 3,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM029_FireControl_Mod_II_US|description}}
* Maximum main battery shell dispersion: <span style="color:#18c942;">-11%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Ships_of_U.S.A.#Battleships|American battleships]].

|- id={{#shipstr:IDS_TITLE_PCM016_FlightControl_Mod_II}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM016_FlightControl_Mod_II.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM016_FlightControl_Mod_II|mark}}</h4>
|align="center" style="vertical-align:middle;" | 3,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM016_FlightControl_Mod_II|description}}
* Squadron speed: <span style="color:#18c942;">+5%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].
<br />Stacks with [[Ship:List_of_Commander_Skills#Improved_Engines|Improved Engines]], [[Ship:List_of_Commander_Skills#Bomber Flight Control|Bomber Flight Control]].

|- id={{#shipstr:IDS_TITLE_PCM017_Airplanes_Mod_III}}  <!-- "Air Groups Modification 2"-->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM017_Airplanes_Mod_III.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM017_Airplanes_Mod_III}}</h4>
|align="center" style="vertical-align:middle;" | 3,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM017_Airplanes_Mod_III|description}}
* Squadron HP: <span style="color:#18c942;">+7.5%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Aircraft_Carriers|aircraft carriers]].
<br/>Stacks with the [[#Slot_4_.28Tier_VI.2B.29|Slot 4 aircraft]] upgrades, and [[Ship:List_of_Commander_Skills#Survivability_Expert_3|Survivability Expert]].

|- id={{#shipstr:IDS_TITLE_PCM074_AuxiliaryArmament_Mod_I}}  <!-- "Auxiliary Armaments Modification 2"-->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM074_AuxiliaryArmament_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM074_AuxiliaryArmament_Mod_I}}</h4><ref>Replaces the AA Guns Modification 2 and Secondary Battery Modification 2 upgrades.</ref>
|align="center" style="vertical-align:middle;" | 3,000,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM074_AuxiliaryArmament_Mod_I|description}}
* Secondary battery reload time: <span style="color:#18c942;">-20%.
* Continuous AA damage: <span style="color:#18c942;">+15%.
* Damage to AA shell explosions: <span style="color:#18c942;">+15%.
* Number of explosions produced by AA defense salvo when the <br />{{Defensive AA Fire}} consumable is active: <span style="color:#18c942;">+2.
|align="center" style="vertical-align:middle;" | Stacks with a number of [[Ship:List_of_Commander_Skills|commander skills]]. <ref> These include: <br>
* Secondary battery related skills: [[Ship:List_of_Commander_Skills#Manual_Secondary_Battery_Aiming|Manual Secondary Battery Aiming]], [[Ship:List_of_Commander_Skills#Top_Grade_Gunner| Top Grade Gunner]] and [[Ship:List_of_Commander_Skills#Secondary_Armament_Expert|Secondary Armament Expert]].
* AA related skills: <u>AA Defense and ASW Expert</u> (both for [[Ship:List_of_Commander_Skills#AA_Defense_and_ASW_Expert|battleship]] and [[Ship:List_of_Commander_Skills#AA_Defense_and_ASW_Expert_2|cruiser]]), [[Ship:List_of_Commander_Skills#D_Main_Battery_and_AA_Specialist|Main Battery and AA Specialist]], [[Ship:List_of_Commander_Skills#D_Main_Battery_and_AA_Expert|Main Battery and AA Expert]] and [[Ship:List_of_Commander_Skills#A_Secondary_Armament_Expert|Secondary Armament Expert]].   </ref>
<br>Not available to [[Ship:Submarines|submarines]].

|- id={{#shipstr:IDS_TITLE_PCM086_Autonomy_Mod_II}} <!-- "Dive Capacity Modification 2"-->
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM086_Autonomy_Mod_II.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM086_Autonomy_Mod_II|mark}}</h4>
|align="center" style="vertical-align:middle;"| 3,000,000{{Credits}}
| style="vertical-align:middle;" | Allows longer dives.
<!-- | style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM086_Autonomy_Mod_II|description}}:-->
* Dive capacity: <span style="color:#18c942;">+15%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Submarines|submarines]].
<br />Stacks with the commander skills [[Ship:List_of_Commander_Skills#SS_Improved_Battery_Capacity|Improved Battery Capacity]].

|}
<references />

== Special Upgrades ==

A '''special upgrade''' is an upgrade that modifies the behavior of an associated [[Ship:Consumables|consumable]].  These upgrades are obtained through the [[Ship:Armory|Armory]], currently for Coal{{Coal}}.  Special upgrades mount and demount like other upgrades &mdash; only one upgrade in a slot at one time.

The ship must be able to equip the corresponding consumable in order to mount the upgrade.

A special upgrade does nothing if its corresponding consumable is not mounted.  For instance, {{Defensive AA Fire Modification 1}} functions only if a {{Defensive AA Fire}} consumable is also mounted. 

===Slot 1===
{| class="wikitable" style="width:100%" id="Slot1 Equipment"
|-
! width="60" | Icon
! width="200" | Equipment Name
! width="70" | Cost<ref name="Coopin">A 25% discount coupon is available once per month.</ref>
! width="80" | Sell Price
! Description
! width="300" | Notes
|- id={{#shipstr:IDS_TITLE_PCM039_CrashCrew_Mod_I}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM039_CrashCrew_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM039_CrashCrew_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;" | 17,000{{Coal}}
|align="center" style="vertical-align:middle;" | 625,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM039_CrashCrew_Mod_I|description}}
* Consumable action time: <span style="color:#18c942;">+40%.
|align="center" style="vertical-align:middle;" | Any ship.
<br /> Stacks multiplicatively with the battleship commander skill [[Ship:List_of_Commander_Skills#Emergency_Repair_Expert|Emergency Repair Expert]]   and [[Ship:Upgrades#Ship_Consumables_Modification_1|Ship Consumables Modification 1]] upgrade.

|- id={{#shipstr:IDS_TITLE_PCM038_Spotter_Mod_I}}
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM038_Spotter_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM038_Spotter_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;"| 17,000{{Coal}}
|align="center" style="vertical-align:middle;" | 625,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM038_Spotter_Mod_I|description}}
* Consumable total usage time: <span style="color:#18c942;">+5%.
* Consumable action time: <span style="color:#18c942;">+30%
|align="center" style="vertical-align:middle;" | Ships with the appropriate type of spotter aircraft consumable only.<br />Note the interaction with the cruiser commander skill [[Ship:List_of_Commander_Skills#Eye_in_the_Sky|Eye in the Sky]].
<br /> Stacks with [[Ship:Upgrades#Ship_Consumables_Modification_1|Ship Consumables Modification 1]] upgrade.
|}

===Slot 2===
{| class="wikitable" style="width:100%" id="Slot2 Equipment"
|-
! width="60" | Icon
! width="200" | Equipment Name
! width="70" | Cost<ref name="Coopin"/>
! width="80" | Sell Price
! Description
! width="300" | Notes
|- id={{#shipstr:IDS_TITLE_PCM036_SpeedBooster_Mod_I}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM036_SpeedBooster_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM036_SpeedBooster_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;" | 17,000{{Coal}}
|align="center" style="vertical-align:middle;" | 625,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM036_SpeedBooster_Mod_I|description}}
* Consumable action time: <span style="color:#18c942;">+30%
* Consumable total usage time: <span style="color:#18c942;">+5%.
|align="center" style="vertical-align:middle;" | Tier III-X ships with the appropiate type of {{Engine Boost}} consumable only.
<br /> Stacks with [[Ship:Upgrades#Ship_Consumables_Modification 1|Ship Consumables Modification 1]] and <u>Consumable Enhancements</u> commander skills (both [[Ship:List_of_Commander_Skills#C_Consumables_Enhancements|cruiser]] and [[Ship:List_of_Commander_Skills#D_Consumables_Enhancements|destroyer]]).

|- id={{#shipstr:IDS_TITLE_PCM040_AirDefenseDisp_Mod_I}}
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM040_AirDefenseDisp_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM040_AirDefenseDisp_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;" | 17,000{{Coal}}
|align="center" style="vertical-align:middle;"| 625,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM040_AirDefenseDisp_Mod_I|description}}
* Consumable action time: <span style="color:#18c942;">+20%.
* Consumable cooldown time: <span style="color:#18c942;">-10%.
|align="center" style="vertical-align:middle;" | Ships with a {{Defensive AA Fire}} consumable only.
<br />Stacks with [[Ship:Upgrades#Ship_Consumables_Modification 1|Ship Consumables Modification 1]] and <u>Consumables Specialist</u> commander skills (both [[Ship:List_of_Commander_Skills#B_Consumables_Specialist|battleship]] and [[Ship:List_of_Commander_Skills#C_Consumables_Specialist|cruiser]]).

|- id={{#shipstr:IDS_TITLE_PCM041_SonarSearch_Mod_I}}
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM041_SonarSearch_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM041_SonarSearch_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;" | 17,000{{Coal}}
|align="center" style="vertical-align:middle;"| 625,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM041_SonarSearch_Mod_I|description}}
* Consumable action time: <span style="color:#18c942;">+20%.
|align="center" style="vertical-align:middle;" | Ships with the appropriate type of {{Hydroacoustic Search}} consumable only.
<br />Stacks with [[Ship:Upgrades#Ship_Consumables_Modification 1|Ship Consumables Modification 1]] and <u>Consumables Enhancements</u> commander skills (both [[Ship:List_of_Commander_Skills#C_Consumables_Enhancements|cruiser]] and [[Ship:List_of_Commander_Skills#D_Consumables_Enhancements|destroyer]]). 

|- id={{#shipstr:IDS_TITLE_PCM042_RLSSearch_Mod_I}}
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM042_RLSSearch_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM042_RLSSearch_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;" | 17,000{{Coal}}
|align="center" style="vertical-align:middle;" | 625,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM042_RLSSearch_Mod_I|description}}
* Consumable action time: <span style="color:#18c942;">+20%.
|align="center" style="vertical-align:middle;" | Ships with a {{Surveillance Radar}} consumable only.
<br />Stacks with [[Ship:Upgrades#Ship_Consumables_Modification 1|Ship Consumables Modification 1]] and <u>Consumables Enhancements</u> commander skills (both [[Ship:List_of_Commander_Skills#C_Consumables_Enhancements|cruiser]] and [[Ship:List_of_Commander_Skills#D_Consumables_Enhancements|destroyer]]). 

|- id={{#shipstr:IDS_TITLE_PCM103_SUBSENERGYFREEZE_MOD_I}}
|align="center" style="vertical-align:middle;"| [[File:Wows_icon_modernization_PCM103_SubsEnergyFreeze_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM103_SUBSENERGYFREEZE_MOD_I}}</h4>
|align="center" style="vertical-align:middle;" | 17,000{{Coal}}
|align="center" style="vertical-align:middle;" | 625,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM103_SUBSENERGYFREEZE_MOD_I|description}}
* Reserve Battery Unit consumable action time: <span style="color:#18c942;">+20%.
|align="center" style="vertical-align:middle;" | Available only to [[Ship:Submarines|submarines]].
|}

===Slot 3===
{| class="wikitable" style="width:100%" id="Slot3 Equipment"
|-
! width="60" | Icon
! width="200" | Equipment Name
! width="70" | Cost<ref name="Coopin"/>
! width="80" | Sell Price
! Description
! width="300" | Notes

|- id={{#shipstr:IDS_TITLE_PCM037_SmokeGenerator_Mod_I}}
|align="center" style="vertical-align:middle;"| [[File:Icon_modernization_PCM037_SmokeGenerator_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM037_SmokeGenerator_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;" | 17,000{{Coal}}
|align="center" style="vertical-align:middle;"| 625,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM037_SmokeGenerator_Mod_I|description}}
* Smoke Curtain generator consumable action time: <span style="color:#18c942;">+20%.
* Smoke Generator consumable action time: <span style="color:#18c942;">+20%.
* Smoke Generator consumable total usage time: <span style="color:#18c942;">+5%.
|align="center" style="vertical-align:middle;" | Tier V-X ships with the<br>appropriate type of Smoke Generator<br>consumable only.
<br />Stacks with the <u>Consumables Enhancements</u> commander skills (both [[Ship:List_of_Commander_Skills#C_Consumables_Enhancements|cruiser]] and [[Ship:List_of_Commander_Skills#D_Consumables_Enhancements|destroyer]]). 

|- id={{#shipstr:IDS_TITLE_PCM104_SubmarineLocator_Mod_I}} <!-- "Submarine Surveillance Modification 1" -->
|align="center" style="vertical-align:middle;"| [[File:Wows_PCM104_SubmarineLocator_Mod_I.png|link=]]
|align="center" style="vertical-align:middle;"| <h4>{{#shipstr:IDS_TITLE_PCM104_SubmarineLocator_Mod_I|mark}}</h4>
|align="center" style="vertical-align:middle;" | 17,000{{Coal}}
|align="center" style="vertical-align:middle;"| 625,000{{Credits}}
| style="vertical-align:middle;" | <!--{{#shipstr:IDS_DESC_PCM085_Pinger_Mod_II|description}}-->
*{{Submarine Surveillance}} preparation and cooldown time: <span style="color:#18c942;">-20%.
|align="center" style="vertical-align:middle;" | Available only to ships with the {{Submarine Surveillance}} consumable.

|}

== Unique Upgrades  ("Legendary" Upgrades) == 

'''Unique upgrades''' (often referred to as "Legendary upgrades") are upgrades for Tier X tech tree ships.  The aim of these upgrades is to adjust the characteristics of a ship to make it perform better in a specific role or offer an alternative style of game play while keeping ships in balance with each other, even if one ship has the unique upgrade and another does not.

The upgrades mount and demount like other upgrades (only one upgrade in a slot at a time) in slots 5 or 6, depending on the ship. In the Upgrades section of the Equipment page in [[Ship:Port|Port]], a small red star [[File:WoWs icon modernization legendary.png|18px|link=]] will appear on the slot where a unique upgrade can be mounted when one is available in Inventory. 

To obtain a unique upgrade, each can be purchased for 19,200{{RP}} in the Research Bureau section of the [[Ship:Armory|Armory]].  

=== Slot 5 ===
By occupying Slot 6, these upgrades block some popular choices such as {{Concealment System Modification 1}}.

<div class="b-popup"><div class="b-popup_head js-tech-nav_head"><div>&mdash;&mdash;&nbsp;&nbsp;'''Upgrades'''&nbsp;&nbsp;&mdash;&mdash;&nbsp;&nbsp;(click here)</div><span class="b-tech-nav_arrow"></span></div><div class="b-popup_content" style="display: block;"><div>
{| class="wikitable" style="width:100%" id="Slot5 Equipment"
|-
! width="60" | Icon
! width="200" | Equipment Name
! width="80" | Sell Price
! Description
! width="250" | Notes

|- id={{#shipstr:IDS_TITLE_PCM043_SPECIAL_MOD_I_CONQUEROR}}  <!-- Enhanced Engineering Systems -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM043_Special_Mod_I_Conqueror.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM043_SPECIAL_MOD_I_CONQUEROR|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM043_SPECIAL_MOD_I_CONQUEROR|description}}
* Rudder shift time: <span style="color:#18c942;">-40%.
* Steering gears repair time: <span style="color:#18c942;">-80%.
* Main battery traverse speed: <span style="color:#18c942;">+13%.
|align="center" style="vertical-align:middle;" | ''[[Ship:Conqueror|Conqueror]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM047_SPECIAL_MOD_I_MONTANA}}  <!-- Reinforced Emergency Response -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM047_Special_Mod_I_Montana.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM047_SPECIAL_MOD_I_MONTANA|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM047_SPECIAL_MOD_I_MONTANA|description}}
* Rudder shift time: <span style="color:#18c942;">-30%.
* Steering gears repair time: <span style="color:#18c942;">-70%.
* Fire extinguishing time: <span style="color:#18c942;">-10%.
* Flooding recovery time: <span style="color:#18c942;">-10%.
|align="center" style="vertical-align:middle;" | ''[[Montana]]'' and ''[[BA Montana]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM049_SPECIAL_MOD_I_HINDENBURG}} <!-- Upgraded Damage Control Equipment -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM049_Special_Mod_I_Hindenburg.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM049_SPECIAL_MOD_I_HINDENBURG|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM049_SPECIAL_MOD_I_HINDENBURG|description}}
* Rudder shift time: <span style="color:#18c942;">-20%.
* Repair Party consumable action time: <span style="color:#18c942;">+20%
* Fire extinguishing time: <span style="color:#18c942;">-50%.
* Flooding recovery time: <span style="color:#18c942;">-50%.
|align="center" style="vertical-align:middle;" | ''[[Hindenburg]]'' and ''[[AL Hindenburg]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM050_SPECIAL_MOD_I_HENRI_IV}} <!-- Improved Main Battery Loading Mechanisms -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM050_Special_Mod_I_Henri_IV.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM050_SPECIAL_MOD_I_HENRI_IV|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM050_SPECIAL_MOD_I_HENRI_IV|description}}
* Ship's detectability range: <span style="color:#A52A2A;">+10%.</span>
* Main battery firing range: <span style="color:#18c942;">+5%.
* Main battery reload time: <span style="color:#18c942;">+10%.
|align="center" style="vertical-align:middle;" | ''[[Henri IV]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM051_SPECIAL_MOD_I_MINOTAUR}} <!-- Aerosol Smoke Curtain System -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM051_Special_Mod_I_Minotaur.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM051_SPECIAL_MOD_I_MINOTAUR|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM051_SPECIAL_MOD_I_MINOTAUR|description}}
* Ship's detectability range: <span style="color:#18c942;">-5%.
* Ship consumables preparation and reload times: <span style="color:#18c942;">-10%.
* Smoke Generator consumable action time: <span style="color:#18c942;">+300%.
* Smoke screen dispersion time: <span style="color:#A52A2A;">-20%.</span>
|align="center" style="vertical-align:middle;" | ''[[Minotaur]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM095_SPECIAL_MOD_I_VENEZIA}}  <!-- Augmented Smoke Generators -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM095_Special_Mod_I_Venezia.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM095_SPECIAL_MOD_I_Venezia|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM095_SPECIAL_MOD_I_Venezia|description}}
* Number of Smoke Generator consumable charges: <span style="color:#18c942;">+2.
* Smoke Generator consumable cooldown time: <span style="color:#18c942;">-55%
|align="center" style="vertical-align:middle;" | ''[[Venezia]]'' only.<br />

|- id={{#shipstr:IDS_TITLE_PCM055_SPECIAL_MOD_I_KHABAROVSK}} <!-- Master Fire Control Director -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM055_Special_Mod_I_Khabarovsk.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM055_SPECIAL_MOD_I_KHABAROVSK|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM055_SPECIAL_MOD_I_KHABAROVSK|description}}
* Main battery firing range: <span style="color:#18c942;">+10%.
* Main battery reload time: <span style="color:#18c942;">-6%.
* Ship consumable action time: <span style="color:#A52A2A;">-20%.</span>
|align="center" style="vertical-align:middle;" | ''[[Khabarovsk]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM056_SPECIAL_MOD_I_Z_52}} <!-- Torpedo Fire Control System -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM056_Special_Mod_I_Z_52.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM056_SPECIAL_MOD_I_Z_52|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM056_SPECIAL_MOD_I_Z_52|description}}
* Ship's detectability range: <span style="color:#18c942;">-5%
* Torpedo speed: <span style="color:#18c942;">+12%.
* Torpedo tube reload time: <span style="color:#18c942;">-15%.
* Dispersion of shells fired by enemies attacking your ship: <span style="color:#18c942;">+5%.
|align="center" style="vertical-align:middle;" | ''[[Z-52]]'' and ''[[Sharqi]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM058_SPECIAL_MOD_I_GEARING}}  <!-- Modified Hull -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM058_Special_Mod_I_Gearing.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM058_SPECIAL_MOD_I_GEARING|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM058_SPECIAL_MOD_I_GEARING|description}}
* Ship's detectability range: <span style="color:#18c942;">-15%.
* Maximum dispersion of shells fired by enemies attacking your ship: <span style="color:#18c942;">+5%.
* Main battery reload time: <span style="color:#A52A2A;">+15%.</span>
* Torpedo tube reload time: <span style="color:#A52A2A;">+5%.</span>
|align="center" style="vertical-align:middle;" | ''[[Gearing]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM059_SPECIAL_MOD_I_YUEYANG}}  <!-- Improved Main Artillery -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM059_Special_Mod_I_Yueyang.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM059_SPECIAL_MOD_I_YUEYANG|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM059_SPECIAL_MOD_I_YUEYANG|description}}
* {{Surveillance Radar}} consumable action time: <span style="color:#18c942;">+20%.
* Main battery reload time: <span style="color:#18c942;">-18%.
* Ship HP: <span style="color:#18c942;">+10%
* Smoke screen dispersion time: <span style="color:#18c942;">+20%.
|align="center" style="vertical-align:middle;" | ''[[Yueyang]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM075_SPECIAL_MOD_I_Daring}}  <!-- Enhanced Torpedo Loading Mechanism -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM075_Special_Mod_I_Daring.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM075_SPECIAL_MOD_I_Daring|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM075_SPECIAL_MOD_I_Daring|description}}
* Ship's detectability range: <span style="color:#18c942;">-10%.
* Torpedo speed: <span style="color:#18c942;">+15%.
* Torpedo tube reload time: <span style="color:#18c942;">-20%.
* <span style="color:#A52A2A;">Main battery reload time: +12%.</span>
|align="center" style="vertical-align:middle;" | ''[[Daring]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM077_SPECIAL_MOD_I_Harugumo}}  <!-- Additional Smoke Generators -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM077_Special_Mod_I_Harugumo.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM077_SPECIAL_MOD_I_Harugumo|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM077_SPECIAL_MOD_I_Harugumo|description}}
* Number of ship consumable charges: <span style="color:#18c942;">+1.
* Smoke Generator consumable action time: <span style="color:#18c942;">+100%.
* Smoke screen dispersion time: <span style="color:#18c942;">+30%.
* Main battery reload time: <span style="color:#18c942;">-6%
|align="center" style="vertical-align:middle;" | ''[[Harugumo]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM105_Special_Mod_I_Vermont}}  <!-- Improved Electrical Systems -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM105_Special_Mod_I_Vermont.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM105_Special_Mod_I_Vermont|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM105_Special_Mod_I_Vermont|description}}
* Airstrike armament reload time: <span style="color:#18c942;">-15%.
* Continuous AA damage: <span style="color:#18c942;">+15%.
* Main battery reload time: <span style="color:#18c942;">-10%.
|align="center" style="vertical-align:middle;" | ''[[Vermont]]'' only.

|}

</div></div></div>

=== Slot 6 ===
By occupying Slot 6, these upgrades block some popular choices such as {{Main Battery Modification 3}}. 

<div class="b-popup"><div class="b-popup_head js-tech-nav_head"><div>&mdash;&mdash;&nbsp;&nbsp;'''Upgrades'''&nbsp;&nbsp;&mdash;&mdash;&nbsp;&nbsp;(click here)</div><span class="b-tech-nav_arrow"></span></div><div class="b-popup_content" style="display: block;">
<div>
{| class="wikitable" style="width:100%" id="Slot6 Equipment"
|-
! width="60" | Icon
! width="200" | Equipment Name
! width="80" | Sell Price
! Description
! width="250" | Notes
|- id={{#shipstr:IDS_TITLE_PCM044_SPECIAL_MOD_I_REPUBLIQUE}} <!-- Main Battery Fire Control Station -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM044_Special_Mod_I_Republique.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM044_SPECIAL_MOD_I_REPUBLIQUE|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" |  {{#shipstr:IDS_DESC_PCM044_SPECIAL_MOD_I_REPUBLIQUE|description}}
* Main battery reload time: <span style="color:#18c942;">-18%.
* Fire extinguishing time: <span style="color:#A52A2A;">+15%.</span>
* Flood recovery time: <span style="color:#A52A2A;">+15%.</span>
|align="center" style="vertical-align:middle;" | ''[[République]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM045_SPECIAL_MOD_I_GKURFURST}} <!-- Improved Ammunition Hoists -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM045_Special_Mod_I_GKurfurst.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM045_SPECIAL_MOD_I_GKURFURST|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" |  {{#shipstr:IDS_DESC_PCM045_SPECIAL_MOD_I_GKURFURST|description}}
* Main battery reload time: <span style="color:#18c942;">-10%.
* Secondary battery reload time: <span style="color:#18c942;">-15%.
* Main battery firing range: <span style="color:#A52A2A;">-8%.</span>
|align="center" style="vertical-align:middle;" | ''[[Großer Kurfürst]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM046_SPECIAL_MOD_I_YAMATO}} <!-- Main Battery Director System -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM046_Special_Mod_I_Yamato.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM046_SPECIAL_MOD_I_YAMATO|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" |  {{#shipstr:IDS_DESC_PCM046_SPECIAL_MOD_I_YAMATO|description}}
* Maximum main battery shells dispersion: <span style="color:#18c942;">-7%.
* Main battery traverse speed: <span style="color:#A52A2A;">-13%.</span>
|align="center" style="vertical-align:middle;" | ''[[Yamato]]'' and ''[[Yamato Kai]]'' only. There is an identical, event-exclusive version for ''[[ARP Yamato]]''.

|- id={{#shipstr:IDS_TITLE_PCM078_SPECIAL_MOD_I_KREMLIN}} <!-- Automated Main Battery Loading Mechanism -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM078_Special_Mod_I_Kremlin.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM078_SPECIAL_MOD_I_KREMLIN|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" |  {{#shipstr:IDS_DESC_PCM078_SPECIAL_MOD_I_KREMLIN|description}}
* Number of ship consumable charges: <span style="color:#18c942;">+1.
* Main battery reload time: <span style="color:#18c942;">-18%.
* Main battery firing range: <span style="color:#A52A2A;">-12%.</span>
|align="center" style="vertical-align:middle;" | ''[[Kremlin]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM048_SPECIAL_MOD_I_ZAO}} <!-- Improved Bridge -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM048_Special_Mod_I_Zao.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM048_SPECIAL_MOD_I_ZAO|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" |  {{#shipstr:IDS_DESC_PCM048_SPECIAL_MOD_I_ZAO|description}}
* Maximum main battery shells dispersion: <span style="color:#18c942;">-7%.
* Main battery firing range: <span style="color:#18c942;">+8%.
|align="center" style="vertical-align:middle;" | ''[[Zao]]'' and ''[[Zao CLR]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM052_SPECIAL_MOD_I_DES_MOINES}} <!-- Enhanced Propulsion Plant -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM052_Special_Mod_I_Des_Moines.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM052_SPECIAL_MOD_I_DES_MOINES|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" |  {{#shipstr:IDS_DESC_PCM052_SPECIAL_MOD_I_DES_MOINES|description}}
* Time to reach full engine power when accelerating: <span style="color:#18c942;">-50%.</span> <ref>From Update 0.9.5 note: Reduced the bonus to engine power. Now, with the unique upgrade and the “Propulsion Modification 1” upgrade, it’ll take the cruiser 21% more time to reach maximum forward speed, and it’ll take three times more time to reach maximum backward speed. The ship will still be gaining speed faster with these two upgrades compared to having just one of them. At the same time, the time it takes the ship to reach 1/2 and 3/4 of her speed remains almost the same. Deceleration is unaffected.</ref>
* Rudder shift time: <span style="color:#18c942;">-20%.
|align="center" style="vertical-align:middle;" | ''[[Des Moines]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM053_SPECIAL_MOD_I_WORCESTER}} <!-- Enhanced Countermeasures -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM053_Special_Mod_I_Worcester.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM053_SPECIAL_MOD_I_WORCESTER|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM053_SPECIAL_MOD_I_WORCESTER|description}}
* Number of ship consumable charges: <span style="color:#18c942;">+1.
* Ship consumable preparation and reload time: <span style="color:#18c942;">-20% .
* Priority AA sector preparation time: <span style="color:#18c942;">-20%.
|align="center" style="vertical-align:middle;" | ''[[Worcester]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM096_SPECIAL_MOD_I_Petropavlovsk}} <!-- Ballistic Capped Armor-Piercing Shells -->
|align="center" style="vertical-align:middle;" | [[File:WoWs_icon_modernization_PCM096_Special_Mod_I_Petropavlovsk.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM096_SPECIAL_MOD_I_Petropavlovsk|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" |  {{#shipstr:IDS_DESC_PCM096_SPECIAL_MOD_I_Petropavlovsk|description}}
* Main battery AP shell damage: <span style="color:#18c942;">+7.5%.
* Maximum main battery shell dispersion: <span style="color:#18c942;">-10%.
* Ship consumable action time: <span style="color:#A52A2A;">-25%.</span>
|align="center" style="vertical-align:middle;" | ''[[Petropavlovsk]]'' and ''[[PTRPVLSK]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM054_SPECIAL_MOD_I_MOSKVA}} <!-- Extended Main Battery Effective Range -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM054_Special_Mod_I_Moskva.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM054_SPECIAL_MOD_I_MOSKVA|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" |  {{#shipstr:IDS_DESC_PCM054_SPECIAL_MOD_I_MOSKVA|description}}
* Main battery firing range: <span style="color:#18c942;">+8%.
* Maximum main battery shell dispersion: <span style="color:#18c942;">-7%.
* Main battery traverse speed: <span style="color:#A52A2A;">-20%.</span>
|align="center" style="vertical-align:middle;" | ''[[Moskva]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM057_SPECIAL_MOD_I_Shimakaze}} <!-- Torpedo Quick Reload System -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM057_Special_Mod_I_Shimakaze.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM057_SPECIAL_MOD_I_SHIMAKAZE|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" |  {{#shipstr:IDS_DESC_PCM057_SPECIAL_MOD_I_SHIMAKAZE|description}}
* Torpedo tube reload time: <span style="color:#18c942;">-25%.
* Torpedo tube traverse speed: <span style="color:#A52A2A;">-70%.</span>
* Risk of torpedo tubes becoming incapacitated: <span style="color:#A52A2A;">+50%.</span>
|align="center" style="vertical-align:middle;" | ''[[Shimakaze]]'' and ''[[AL Shimakaze]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM060_SPECIAL_MOD_I_GROZOVOI}} <!-- Main Gun Automatic Loader -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM060_Special_Mod_I_Grozovoi.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM060_SPECIAL_MOD_I_GROZOVOI|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" |  {{#shipstr:IDS_DESC_PCM060_SPECIAL_MOD_I_GROZOVOI|description}}
* Main battery reload time: <span style="color:#18c942;">-18%.
* Ship's detectability range: <span style="color:#A52A2A;">+5%.</span>
* Main battery traverse speed: <span style="color:#A52A2A;">-7%.</span>
|align="center" style="vertical-align:middle;" | ''[[Grozovoi]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM076_SPECIAL_MOD_I_KLEBER}} <!-- Improved Camouflage Patterns -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM076_Special_Mod_I_Kleber.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM076_SPECIAL_MOD_I_KLEBER|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" |  {{#shipstr:IDS_DESC_PCM076_SPECIAL_MOD_I_KLEBER|description}}
* Ship's detectability range: <span style="color:#18c942;">-20%.
* Main battery reload time: <span style="color:#A52A2A;">+60%.</span>
|align="center" style="vertical-align:middle;" | ''[[Kleber]]'' and ''[[Kléber CLR]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM094_SPECIAL_MOD_I_HALLAND}} <!-- Advanced Mechanical Maintenance -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM094_Special_Mod_I_Halland.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM094_SPECIAL_MOD_I_HALLAND|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" |  {{#shipstr:IDS_DESC_PCM094_SPECIAL_MOD_I_HALLAND|description}}
* Number of ship consumable charges: <span style="color:#18c942;">+1.
* HP restoration efficiency when using the Repair Party consumable: <span style="color:#18c942;">+25%.
* Maximum speed while the Engine Boost consumable is active: <span style="color:#18c942;">+8%.
|align="center" style="vertical-align:middle;" | ''[[Halland]]'' only.<br />

|- id={{#shipstr:IDS_TITLE_PCM061_SPECIAL_MOD_I_MIDWAY}} <!-- Modified External Hardpoints -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM061_Special_Mod_I_Midway.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM061_SPECIAL_MOD_I_MIDWAY|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" |  {{#shipstr:IDS_DESC_PCM061_SPECIAL_MOD_I_MIDWAY|description}}
* Bomber cruising speed: <span style="color:#18c942;">+5%.
* Squadron bomb damage: <span style="color:#18c942;">+10%.
|align="center" style="vertical-align:middle;" | ''[[Midway]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM062_SPECIAL_MOD_I_HAKURYU}} <!-- Fuel Injection System -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM062_Special_Mod_I_Hakuryu.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM062_SPECIAL_MOD_I_HAKURYU|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM062_SPECIAL_MOD_I_HAKURYU|description}}
* Maximum squadron speed: <span style="color:#18c942;">+12.5%.
* Squadron engine boost duration: <span style="color:#A52A2A;">-30%.</span>.
|align="center" style="vertical-align:middle;" | ''[[Hakuryu]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM079_SPECIAL_MOD_I_Audacious}} <!-- Forced Takeoff and Landing Equipment -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM079_Special_Mod_I_Audacious.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM079_SPECIAL_MOD_I_Audacious|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM079_SPECIAL_MOD_I_Audacious|description}}
* Ship's detectability range: <span style="color:#18c942;">-15%
* Rudder-shift time: <span style="color:#18c942;">-30%.
* Squadron engine boost duration: <span style="color:#18c942;">+20%.
* Time to reach full engine power when accelerating: <span style="color:#18c942;">−50%.

|align="center" style="vertical-align:middle;" | ''[[Audacious]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM097_SPECIAL_MOD_I_Manfred_Richthofen}} <!-- Aerodynamic Torpedo Fin Stabilizers -->
|align="center" style="vertical-align:middle;" | [[File:WoWs icon modernization PCM097 Special Mod I Manfred Richthofen.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>{{#shipstr:IDS_TITLE_PCM097_SPECIAL_MOD_I_Manfred_Richthofen|mark}}</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM097_SPECIAL_MOD_I_Manfred_Richthofen|description}}
* Torpedo damage: <span style="color:#18c942;">+10%.
* Torpedo Arming Distance: <span style="color:#18c942;">-10%.
* Torpedo bomber HP: <span style="color:#18c942;">+15%.
|align="center" style="vertical-align:middle;" | ''[[Manfred von Richthofen]]'' and only.

|- id={{#shipstr:IDS_TITLE_PCM098_SPECIAL_MOD_I_Elbing}} <!-- Automated Gun and Fuel Systems -->
|align="center" style="vertical-align:middle;" | [[File:WoWs icon modernization PCM098 Special Mod I Elbing.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>Automated Gun and Fuel Systems</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | Alters the ship's tactical role, boosting maneuverability and enabling swift target switching.
* Maximum ship speed while the Engine Boost consumable is active: <span style="color:#18c942;">+12%.
* Main battery reload time: <span style="color:#18c942;">-6%.
* Main battery traverse speed: <span style="color:#18c942;">+100%.
* Main battery firing range: <span style="color:#A52A2A;">-8%.</span>.
|align="center" style="vertical-align:middle;" | ''[[Elbing]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM099_SPECIAL_MOD_I_Gouden_Leeuw}} <!-- Ship-to-Shore Radio -->
|align="center" style="vertical-align:middle;" | [[File:WoWs icon modernization PCM099 Special Mod I Gouden Leeuw.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>Ship-to-Shore Radio</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | Improves the ship's tactical role by increasing the effeciency of Airstrike attacks.
* Number of Airstrike flights: <span style="color:#18c942;">+1.
* Airstrike range: <span style="color:#18c942;">+8%.
* HE bomb damage: <span style="color:#18c942;">+10%.
|align="center" style="vertical-align:middle;" | ''[[Gouden Leeuw]]'' only.

|- id={{#shipstr:IDS_TITLE_PCM106_Special_Mod_I_Colombo}} <!-- Improved Rangefinders -->
|align="center" style="vertical-align:middle;" | [[File:Icon_modernization_PCM106_Special_Mod_I_Colombo.png|link=]]
|align="center" style="vertical-align:middle;" | <h4>Improved Rangefinders</h4>
|align="center" style="vertical-align:middle;" | 2,500,000{{Credits}}
| style="vertical-align:middle;" | {{#shipstr:IDS_DESC_PCM106_Special_Mod_I_Colombo}}
* Main battery reload time: <span style="color:#18c942;">-6%.
* Maximum main battery shell dispersion: -<span style="color:#18c942;">6%.
* Number of Smoke Generator consumable charges: <span style="color:#A52A2A;">-2.
|align="center" style="vertical-align:middle;" | ''[[Cristoforo Colombo]]'' only

|}
</div></div></div>

== Notes ==
<references/>

==Source== 
https://blog.worldofwarships.com/blog/closed-test-150-unique-upgrades-changes



[[Category:World of Warships]]
[[Category:Rules pages]]