Reinforcement Expansion

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Introduction

Reinforcement Expansions (RE) are an item that was introduced during the Summer 2015 Event. They can be obtained from quests, events or the item shop. It is used to give ship girls an extra equipment slot that can equip certain auxiliary equipment.

This item is very valuable and careful consideration should be given towards who to use it on. Please refer to the help page for advice.

How To Obtain

Item Shop

REs can be purchased from the Item Shop for 500 points each.

Quests

One-Time Quests

ID	Prereq.	Quest Name (Original) Quest Name (Translated)	Description	Rewards					Note
								Other
A86	B61	改装「第十七駆逐隊」、再編始め！ Remodelled 17th Destroyer Division, Realign!	Remodelled Destroyer Division Formation Mission: Reorganise the 17th Destroyer Division consisting of the remodelled Kagerō-class destroyers "Urakaze Kai", "Tanikaze Kai", and the destroyers "Isokaze Kai B" & "Hamakaze Kai B" who underwent a massive refit with a focus on anti-air equipment in order to deal with the increasing frequency of anti-air engagements! Orgnize a fleet with Urakaze Kai, Tanikaze Kai, Isokaze Kai B and Hamakaze Kai B only.	170	170	170	0	Irako x1 Reinforcement Expansion x1	Quest completion dialogue will play upon completion One time only.
A87		精鋭 「第十八駆逐隊」 を編成せよ! Form the elite 18th Destroyer Division!	Elite 18th Destroyer Division Formation Mission: Organize Arare Kai Ni, Kasumi Kai Ni/Kai Ni B, Kagerou Kai and Shiranui Kai into the elite 18th Destroyer Division. Organize a fleet with Arare Kai Ni, Kasumi Kai Ni /Kai Ni B, Kagerou Kai and Shiranui Kai only.	180	0	180	0	Choose Between One of the Following Rewards: Furniture Fairy x1 or Reinforcement Expansion x1	Quest completion dialogue will play upon completion One time only.
B90	B73 B81	"精鋭「第八駆逐隊」突入せよ！ Elite 8th Destroyer Division, Sortie!	Organize a fleet consisting of Arashio Kai Ni as flagship and one of her colleagues from "Destroyer Division 8" and sortie to the Northern Area of the Solomon Sea to confront and eliminate the main enemy fleet within the area to reduce the enemy's strength in the area. Take Arashio Kai Ni in the flagship position, along with one of the three following ships (Asashio, Ooshio or Michishio), sortie to 5-5 and score an A-rank in the Boss Node Twice.	800	800	0	800	x4 Improvement Materials x1 Reinforcement Expansion	One time only.
B103	A78	旗艦「由良」、抜錨！ Flagship Yura, Weigh Anchor!	Sortie Mission: Deploy your first fleet consisting of Yura Kai Ni as your flagship along with 2 of the following ships consisting of Yuudachi. Murasame, Harusame, Samidare, and/or Akizuki to the Eastern Orel Sea and the Forefront of the Southern Seas to engage the main enemy forces and destroy them! Have Yura Kai Ni as your flagship along with 2 other ships begin either Yuudachi. Murasame, Harusame, Samidare and/or Akizuki in your fleet along with 3 other wildcards and send them to 2-3 and 5-1 and score an S rank at the boss nodes.	400	400	0	400	x1 Skilled Pilot Choice Between Daihatsu-class Landing Craft x1 or Reinforcement Expansion x1	One time only.
B104		精鋭「第二二駆逐隊」出撃せよ！ Elite 22nd Division, Sortie!	Sortie mission: Sortie a powerful torpedo squadron that's including the reorganised elite DesDiv 22 to Kis Island in the northern sea, then have it complete the Kis Island evacuation mission flawlessly. Sortie a torpedo Squadron consisting of 1 CL, 1DD, Fumizuki Kai Ni, Satsuki Kai Ni, Nagatsuki Kai, and Minazuki Kai to 3-2 and score an S-rank(?).	0	700	0	100	Irako x2 Choice Between Daihatsu-class Landing Craft x1 or Reinforcement Expansion x1 or New Type Artillery Armament Materials x1	One time only.
B106		精強大型航空母艦、抜錨！ Night Operation Carrier, sortie to the Front Lines!	Deploy Saratoga Mk.II as your flagship to the offshore area of the KW Atoll, intercept the enemy Carrier Task force and successfully succeed at "Intercepting the Main Enemy Carier Unit"! Night Operation Carrier, Weigh anchor and sortie to the Front Lines! Sortie Saratoga Mk.II along with 5 other ships sortie to 6-5 and score an S-rank?()	0	0	0	1000	Choice Between TBF or New Aviation Armament Materials or Night Operation Aviation Personnel + Skilled Deckhands and Choice Between x1 Reinforcement Expansion or x1 Skilled Pilot or New Aviation Armament Materials	One time only.
B125		近海の警戒監視と哨戒活動を強化せよ！ Reinforce Surveillance and Patrols of the Coastal Sea!	Form a fleet that includes a CL as flagship and either 2 DD or 2 DE, then have it patrol the sea around the Nansei Islands, the Coastal Refinery Zone, the Nansei Islands Defence Line, the Nansei Islands Coastal Waters and the Bashi Island Strait, and engage and destroy any enemy fleets in order to establish control of the coastal waters! Take a fleet consisting of 1 CL as flagship along with 2 DD/DE and score an S rank in 1-2, 1-3, 1-4, 2-1, and 2-2.	800	800	0	0	Choose between the following rewards: Reinforcement Expansion x1 or Medal x1 and Choose between the following rewards: New Type Artillery Armament Material x2 or Searchlight x2 or Action Report x1	One time only.
B134	D29	艦隊司令部の強化 【実施段階】 Fleet Headquarters Improvements [Implementation Phase]	Fleet Headquarters Improvements: Form a fleet that includes Ooyodo as flagship and either Akashi or a seaplane tender, then repeatedly send it to the Eastern Orel Bay, the Alfonsinoes, the Western Jam Island Sea in order to engage and destroy the enemy fleets! Organize a fleet with Ooyodo as flagship along with 1 AV or Akashi and 4XX in your first fleet and score an S rank at 2-3, 3-3, and 4-1 twice.	1200	1200	1200	0	Headquarters Personnel x1 and Choose the following Reward: Coin Box (Large) x8 or Reinforcement Expansion x1 or Medal x1	One time only.
B138		「羽黒」「神風」、出撃せよ！ Haguro, Kamikaze, Sortie!	Patrol Mission: Organize a fleet consisting of Haguro and Kamikaze as the main force along with either 1 Heavy Cruiser and 2 Destroyers or 4 Destroyers in your fleet, then proceed to sortie into the Nansei Island Coastal Area,the Bashi Islands, and the Eastern Orel Sea Area. Proceed to engage and destroy the enemy! Organize a fleet consisting of either Haguro and Kamikaze along with 1 CA, 2 DD (No addition Wild Cards allowed) or Haguro and Kamikaze along with 4 DD and S rank the boss nodes of 2-1, 2-2, and 2-3.	516	0	1945	0	Furniture: Haguro's Protection Scroll and Choose the following Reward: New Model Aviation Development Materials x1 or Reinforcement Expansion x1 or Furniture Fairy x1	Resources numbers are a reference to the date of Hagurou's sinking One time only.
C20		海防艦、演習始め！ Coastal defence ships, commence exercises!	Escort Ship Exercise Mission: Form a training fleet containing a coastal defence ship as flagship and at least two destroyers as escorts. Score at least two victories within the same day using this training fleet! Organize a Fleet consisting of 1 DE as Flagship + 2 DD and 3 XX and win 2 PVP matches in a day.	300	300	0	0	Etorofu-class Kaiboukan Wall Scroll and Choose between the following Rewards Reinforcement Expansion x1 or Medal x1	One time only.
C23	BQ6	改夕雲型、演習始め！ Remodelled Yuugumo-class, begin training!	Remodelled Yuugumo-class Training Mission: Organize a fleet consisting of the 2 Yuugumo-class destroyers Yuugumo Kai Ni and Naganami Kai Ni. Take your remodel Yuugumo-class destroyers to training! Complete a successful day by earning 4 wins in a single day in Practice! Take a fleet consisting of Yuugumo Kai Ni and Naganami Kai Ni and win 4 PVP session in one day	400	400	0	0	Choose between the following rewards: Irako x3 or Type 2 Depth Charge x1 and Choose between the following rewards: Reinforcement Expansion x1 or Medal x1	One time only.
C27	C23	精強「十七駆」、猛特訓！ Powerful DesDiv 17, It's Time For Some Hardcore Training!	Destroyer Fleet Exercise Mission: Form a fleet that includes the 4 ships of the powerful DesDiv 17. We're starting an extra hard training course for the newly remodelled and powerful destroyer fleet! Obtain at least 4 victories in exercises within the same day with said fleet! Organize a fleet consisting of Isokaze B Kai, Hamakaze B Kai, Urakaze D Kai, Tanikaze D Kai and 2 XX , then score 4 wins in PVP in a single day.	170	170	170	0	Mamiya x1 Choose between the following rewards: Reinforcement Expansion x1 or Type 2 Depth Charge x1	One time only.
F71		対空兵装の拡充 Expansion of the anti-aircraft armament	Begin the expansion of the anti-aircraft equipment development process! Scrap six medium caliber main gun turrets along with three secondary gun turrets and prepare 900 units of bauxite! ※Upon completion, prepared resources will be consumed. Scrap 6 Medium caliber guns and 3 Secondary Guns and have 900 bauxite	0	100	0	0	Choose between the following rewards 25mm Triple Autocannon Mount x2 or 12cm 30-tube Rocket Launcher x2 or Reinforcement Expansion x1	900 Bauxite will be consumed upon completion of quest

Events

Some Events will reward REs. Due to uncertainty in whether an event will award REs, please check the current event page for more up to date details.

Using Reinforcement Expansions

The following conditions must be fulfilled before a RE can be used:

1. The ship girl in question needs to be at least level 30.
2. There must be a Reinforcement Expansion in your inventory.

Not meeting either of these conditions will make you unable to even bring up the RE menu. Once both conditions have been met, follow the following steps:

1. Proceed to the Remodel menu and select the girl you wish to use the RE on.
2. Mouse over the right side of her card and a notification saying "Add Extra Equipment Slots (補強装備を増設改修する) will appear.
3. Click on her card and a menu will appear asking you to confirm RE use.
4. Click on the Add Reinforcement Expansion (増設改修する) button to confirm.
5. An extra equipment slot will then be added to your ship girl.

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  Select the right side of the Kanmusu's card from the Modernization Menu to get a notification.

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  Confirmation Screen (left) Confirm to use Expansion (right) Return

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  After confirming, your Kanmusu will gain an extra slot and your expansion is consumed.

Uses

Reinforcement Expansions are important because they allow your ship girls to carry utility equipment that would otherwise compromise their combat effectiveness. The chart below details what equipment can be equipped in the RE of a ship girl. Please refer to individual ship girl pages, individual equipment pages or the help page for more details.