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Combined Fleet in Action

A combined fleet during battle (aerial phase).

The (Friendly) Combined Fleet system was first introduced in the Summer Event of 2014 for the Battle of Midway. By using two fleets during a sortie, a total of up to 12 ships are involved as opposed to the usual 6. The Combined Fleet system has again been used in every subsequent events so far but with revised mechanics. This page will be updated to include the latest mechanics.

See this page for further info about abyssal combined fleet (after more information are gathered those information might be re-integrated into this page.)

Composition Edit

Combined Fleet Icons Fall2015

Combined Fleet icons: Surface Task Force (top), Carrier Task Force (middle), Transport Escort (bottom)

Combined Fleet Forming

Forming a combined fleet in the fleet managing page.

Combined Fleet

View the second fleet, click and drag the "/2" over the "/1"

Combined Fleet (Rengou Kantai (連合艦隊(れんごうかんたい)?)) (when available, i.e. events only as of now) can be formed by viewing the second fleet, and then dragging the "/2" icon over the "/1" icon (refer to picture on the right). The first fleet is the main fleet and is usually comprised of heavier ships, while the second fleet is an escort fleet, and is usually comprised of lighter ships.

In order to disband a combined fleet, either click on the "combined" icon, or make changes to either fleet so that they don't meet the requirements any more.

There are currently three different types of combined fleets available for use:

Choose Combined Fleet Revision

Left: Carrier Task Force
Right: Surface Task Force
Bottom: Transport Escort
You may be allowed to choose which type of task force to create.

  • The Carrier Task Force (Kuubo Kidou Butai (空母機動部隊(くうぼきどうぶたい)?)), or in short, 機動部隊.
  • The Surface Task Force (Suijou Dageki Butai (水上打撃部隊(すいじょうだげきぶたい)?)), or in short, 水上部隊.
  • Transport Escort (Yuusou Goei Butai (輸送護衛部隊(ゆそうごえいぶたい)?))

Each type of combined fleet has different composition requirements. In some cases, you will be given the option to choose between which combined fleet you want to make. In other cases, you will be told which fleet to create for the sortie. When choosing between the two different types of combined fleets, besides the fleet composition requirements, note that the combat order is different for each type (see Combat Phases).

Carrier Task Force (Kuubo Kidou Butai (空母機動部隊(くうぼきどうぶたい)?))

機動部隊船アイコン

Carrier Task Force sortie icon

機動部隊可能

Carrier Task Force possible

機動部隊選ぶ

Carrier Task Force selected

機動部隊不可

Carrier Task Force not possible

Main (fleet 1):

Escort (fleet 2):

Surface Task Force (Suijou Dageki Butai (水上打撃部隊(すいじょうだげきぶたい)?))

水上部隊船アイコン

Surface Task Force sortie icon

水上部隊可能

Surface Task Force possible

水上部隊選ぶ

Surface Task Force selected

水上部隊不可

Surface Task Force not possible

Main (fleet 1):

Escort (fleet 2), same as Carrier Task Force:

Transport Escort (Yusou Goei Butai (輸送護衛部隊(ゆそうごえいぶたい)?))

輸送護衛部隊船アイコン

Transport Escort sortie icon

輸送護衛部隊可能

Transport Escort possible

輸送護衛部隊選ぶ

Transport Escort selected

輸送護衛部隊不可

Transport Escort not possible

Main (fleet 1):

Escort (fleet 2):

  • Minimum of 1 CL?/CT? (must be flagship)
  • Maximum of 2 CL?/CT?
  • Minimum of 3 DD?
  • Maximum of 2 CA?/CAV?
  • No other ships allowed

Combat Mechanics Edit

The combat flow for a combined fleet is quite different from a normal fleet battle, because there are two fleets involved.

Fleet Formations Edit

For different combined fleet types, the colors may be different, but the formations' effects are generally the same in combat.

Formation Formation Icon Advised Use Main Fleet Modifiers Escort Fleet Modifiers Notes
第一警戒航行序列(対潜警戒)

Cruising Formation 1 (anti-sub)

Formation 1
Anti-submarine (Icon Gun+X)x0.8
Icon ASWx1.3
(Icon Gun+Y)x0.8
Icon Torpedox0.7
Icon ASWx1.3
Moderate torpedo hit chance and moderate shelling accuracy. Similar to line abreast formation.
第二警戒航行序列(前方警戒)

Cruising Formation 2 (forward)

Formation 2
Surface battle and ASW simultaneously (Icon Gun+X)x1.0
Icon ASWx1.1
(Icon Gun+Y)x1.0
Icon Torpedox0.9
Icon ASWx1.1
High torpedo hit chance and high shelling accuracy. Similar to double line formation.
第三警戒航行序列(輪形陣)

Cruising Formation 3 (ring)

Formation 3
Anti-air (Icon Gun+X)x0.7
Icon ASWx1.0
(Icon Gun+Y)x0.7
Icon Torpedox0.6
Icon ASWx1.0
Very low torpedo hit chance and low shelling accuracy. Requires 5+ ships in escort fleet. Similar to diamond formation.
第四警戒航行序列(戦闘隊形)

Cruising Formation 4 (battle)

Formation 4
All-out attack (Icon Gun+X)x1.1
Icon ASWx0.7
(Icon Gun+Y)x1.1
Icon Torpedox1.0
Icon ASWx0.7
Highest torpedo hit chance and high shelling accuracy. Requires 4+ ships in escort fleet. Similar to line ahead formation.
  • For Surface Task Force, X = 10 and Y = -5.
  • For Carrier Task Force, X = 2 and Y = 10.
  • For Transport Escort, X = -5 and Y = 10.
  • The above (X/Y) modifers are added on top of the normal damage formula before formation modifiers.  For carrier shelling, these modifiers are also subjected to the 1.5x modifier on firepower.
  • There is no +5 modifier for torpedo damage as in normal sorties.
  • Opening airstrikes are calculated the same as in normal sorties.
  • The escort fleet generally has better ASW accuracy than the main fleet.
  • The ASW accuracy trend among the four formations seems to follow the damage modifiers (i.e. Formation 4 is the worst and 1 is the best).
  • You need at least 4 ships in the escort fleet to use Formation 4, and more than 4 for formation 3.
  • It has been suggested that when facing a combined fleet, abyssals will also get a bonus in firepower.
PhaseSTFCTFTECF
Against Fleet #1 Shelling +5 +10 +10
Against Fleet #2 Shelling -5 +5 +5

Combat Phases Edit

The ordering of combat phases slightly differs between the two types of combined fleets.  For the Carrier Task Force, the escort fleet engages first, while for the Surface Task Force, the main fleet engages first. Each phase, in itself, is similar to normal non-Combined Fleet combat. Nodes with Abyssal Combined Fleet also work differently from the normal Combined Fleet order. For a full run through on what each phase does, please see Combat:Combat Stages.

Phase Notes
Scouting No different from normal.
Aerial Combat Only ships in the main fleet can launch planes, but all ships can respond with AA and can be hit by enemy planes.
Opening Engagement If there is a support fleet (see Expedition:Support Expeditions), and its support conditions are met, it activates.
Opening torpedo salvo by only the escort fleet (e.g. CLT, SS) and enemy fleet.
Engagement Type Engagement type is declared (e.g. Head-on, Parallel, T-Cross).
Escort Fleet Engages Escort fleet begins its shelling round by range order. (One round only, regardless of whether BBs are present.)
Escort fleet does a torpedo salvo exchange with the enemy fleet.
Main Fleet Engages Main fleet begins its shelling round by range order, and then by line-up order. (Second round only if BBs or certain bosses are present on either side.)
Night Combat Main fleet retreats, leaving only escort fleet.
Night battle equipment activation (if any).
Night battle commences in line-up order.

Phase Notes
Scouting No different from normal.
Aerial Combat Only ships in the main fleet can launch planes, but all ships can respond with AA and can be hit by enemy planes.
Opening Engagement If there is a support fleet (see Expedition:Support Expeditions), and its support conditions are met, it activates.
Opening torpedo salvo by only the escort fleet (e.g. CLT, SS) and enemy fleet.
Engagement Type Engagement type is declared (e.g. Head-on, Parallel, T-Cross).
Main Fleet Engages Main fleet begins its shelling round by range order, and then by line-up order. (Second round only if BBs or certain bosses are present on either side.)
Escort Fleet Engages Escort fleet begins its shelling round by range order. (One round only regardless of whether BBs are present.)
Escort fleet does a torpedo salvo exchange with the enemy fleet.
Night Combat Main fleet retreats, leaving only the escort fleet.
Night battle equipment activation (if any).
Night battle commences in line-up order.

Phase Notes
Scouting No different from normal.
Land-Based Air Support If available on that map.
Aerial Combat Only ships in the main fleet can launch planes, but all ships can respond with AA and can be hit by enemy planes.
Both Main and Escort enemy fleets can be targeted by the airstrike.
Opening Engagement If there is a support fleet (see Expedition:Support Expeditions), and its support conditions are met, it activates.
Opening torpedo salvo by only the escort fleet (e.g. CLT, SS) and enemy fleet.
Engagement Type Engagement type is declared (e.g. Head-on, Parallel, T-Cross).
Main Fleet Engages Main Fleets engage each other, one round only.
Firing order determined by range.
Escort Fleet Engages Escort fleets engage each other, firing order by range. (One round only regardless of whether BBs are present.)
Escort fleets do torpedo salvo exchanges that can hit both escort and main fleets.
Main Fleet Second Round Main Fleet can target ships in either enemy fleet.
Firing order done sequentially by lineup.
Night Combat Main fleet retreats, leaving only the escort fleet.
If at least 4 out of 6 ships in the enemy escort fleet have been destroyed, the enemy Main fleet will be targeted; otherwise, the escort fleet will be targeted.
Night battle equipment activation (if any).
Night battle commences in line-up order.

General Notes Edit

  • In contrast to normal sorties, anti-submarine warfare (ASW) damage is not reduced during night battle.
  • Only escort fleets are capable of opening ASW attacks.
  • The main fleet will not take part in anything related to torpedoes if the enemy is single fleet. If the enemy is abyssal combined fleet, the main fleet will still not fire torpedoes, but will receive torpedo damage.
  • Equipment on the main fleet will not affect night battle.
  • The shelling accuracy of all of the ships in combined fleet appears to be very low, probably to balance out the 12 vs 6 system. Accuracy penalties vary between the main and escort fleets for the different types of combined fleets.
    • For Carrier Task Force, the escort fleet shelling misses much more often compared to normal sorties and the main fleet shelling appears to have no penalty.
    • For Surface Task Force, the main fleet shelling misses much more often compared to normal sorties and the escort fleet shelling misses slightly more often.
  • Likewise, depending on the combined fleet type, the main and escort fleets have varying shelling evasion corrections.
    • For Carrier Task Force, the escort fleet has much higher evasion than the main fleet.
    • For Surface Task Force, the main fleet has higher evasion than the escort fleet.
  • If a fleet does no damage in a battle (e.g. main fleet takes out all of enemy before escort fleet can fire, or vice versa), then the MVP for that fleet defaults to the flagship.
  • When entering night battle, only damage dealt at night will be taken into account for MVP determination.
    • Thus, the main fleet flagship will receive MVP after a night battle.
  • The flagship of the escort fleet (a.k.a. second fleet) is currently unsinkable.
  • It's possible to have a ship of the same name in both main and escort fleets simultaneously. For example, during Fall 2016 Event E5, Sakawa and Prinz Eugen could be sortied in both main fleet and escort fleet because they were having insane fire power in E5 boss node. By (ab)using this rule, players were having much higher chance in getting S rank.

Special Mechanics Edit

Fleet Command Facility Edit

The Fleet Command Facility (stock equipment of Ooyodo Kai) allows a destroyer in the second fleet of a combined fleet to escort a heavily damaged ship away from the sortie. This is useful if you tend to encounter just one ship going red on the pre-boss node.

  • Must be equipped on the flagship of the first (main) fleet and needs a non-flagship second fleet DD with more than 75% hp (any damage 小破 or higher is no good) for it to give the option to escort the ship.
  • The screen will show up after [Results], and before the [Continue/Retreat] screen. The heavily damaged ship and another DD will show up, with green sentences. Left button will remove the damaged ship and a DD from combat and they will both lose 25 morale (on top of 15 from returning from sortie) and all of their remaining fuel. Right button will continue without escorting.
    • See this video for an example.
  • The DD that will escort the damaged ship is the first undamaged DD in the lineup order (bear that in mind when deciding the lineup for the escort fleet)
  • Both ships (the damaged ship being escorted back and the ship escorting her back) will be permanently out from the rest of the sortie.
  • One ship may be escorted per battle (i.e. multiple ships can be escorted back to base over several nodes).
  • It is not possible to escort the escort fleet's flagship.
  • As of the Autumn 2014 event, escort ships are counted out of the score calculation, allowing you to get an A or S rank as long as you fulfill the usual criteria.

Troubleshooting Edit

1. I got this message, what does it mean?

  • If it is the first two images, it means your fleet got disbanded. Presumably because you have remodelled a ship (e.g. from CA to CAV) and have, therefore, broken the combined fleet rules necessary to create the combined fleet.

2. I got some other message, what do?

References Edit

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