GFCS Mk.37 + 5inch Twin Dual-purpose Gun Mount (Concentrated Deployment)
[Edit]
No.363 GFCS Mk.37+5inch連装両用砲(集中配備)
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 Medium Caliber Main Gun (High-angle + Fire Director)Effects:
 +6  +14  +6  +3  +3  MediumScrap value:
 4  26  28 (Unbuildable) | |
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| Refittable Ship Types | |
| Coastal Defense Ship | Destroyer |
| Light Cruiser | Torpedo Cruiser |
| Heavy Cruiser | Training Cruiser |
| Aviation Cruiser | Fast Battleship |
| Battleship | Aviation Battleship |
| Light Carrier | Standard Aircraft Carrier |
| Armored Carrier | Seaplane Tender |
| Submarine | Aircraft Carrying Submarine |
| Submarine Tender | Fleet Oiler |
| Repair Ship | Amphibious Assault Ship |
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Introduction
米国で開発・運用された対艦及び対空戦闘に対応できる両用砲兵装に射撃レーダーを組み合わせた強力な対空兵装です。
本装備は、薬莢形式を採用して連射性を向上した5inch連装両用報を集中運用、さらに射撃レーダーと連動することで高い艦隊防空能力を実現しました。Atlanta級などに装備され、第三次ソロモン海戦では夜戦の殴り合いも経験しています。
A dual-purpose gun developed and deployed by the United States combined with a fire-control RADAR that is capable of surface and anti-air combat. It is a powerful anti-aircraft weapon.
This equipment is a concentrated deployment of the twin-mounted 5 inch guns that adopted a new type of ammunition to improve fire rate, combining it with a fire-control radar has further increased its fleet air defense capabilities, it was equipped on the Atlanta-class cruisers and was used in the opening brawl of the Naval Battle of Guadalcanal.
Mechanics
Main Guns
are the main armament used by surface ships. Their main stats are the "firepower" 
and "accuracy" 
. They are notably required to trigger all Artillery Spotting attacks as well as some Night Cut-Ins, notably the "Double Attack" (DA).
- Most main guns come with "Hidden Fit Bonuses/Penalties", especially larger ones.
High-Angle Guns (sometimes "dual-purpose guns"), are anti-air focused guns, that can serve their main surface role, in addition to having extra 
AA stats.
Notes
How To Obtain
Ranking reward for:
- Aug 2021: 1-5 (★+2), 6-20 (★+1), 21-100, 101-500
Event reward for:
- Fall 2019 Event E-6: Hard (★+2)
Updates History
- 2019-12-07: Implemented
Fit Bonuses
| Ship | Extra Requirement |
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Note |
|---|---|---|---|---|---|---|---|---|---|
Atlanta
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+1 | +3 | +2 | ||||||
Colorado-class  US CAs    Other US CLs   
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+1 | +1 | |||||||
Agano-class    Ooyodo  De Ruyter 
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-1 | -2 | |||||||
Katori-class  Gotland 
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-2 | -1 | -4 | ||||||
Kuma-class     Nagara-class       Sendai-class   
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-3 | -2 | -6 | ||||||
Tenryuu-class  Yuubari 
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-3 | -3 | -8 |
Improvement
Improvement  effects
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|---|---|---|---|---|---|---|---|---|---|---|
| Main
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1★ | 2★ | 3★ | 4★ | 5★ | 6★ | 7★ | 8★ | 9★ | Max★ |
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1.00 | 1.41 | 1.73 | 2.00 | 2.23 | 2.44 | 2.64 | 2.82 | 3.00 | 3.16 |
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1.00 | 1.41 | 1.73 | 2.00 | 2.23 | 2.44 | 2.64 | 2.82 | 3.00 | 3.16 |
| [math]\displaystyle{ \text{AdjAA}_\text{ship} }[/math] | 3.00 | 4.24 | 5.19 | 6.00 | 6.70 | 7.34 | 7.93 | 8.48 | 9.00 | 9.48 |
| [math]\displaystyle{ \text{AdjAA}_\text{fleet} }[/math] | 3.00 | 4.24 | 5.19 | 6.00 | 6.70 | 7.34 | 7.93 | 8.48 | 9.00 | 9.48 |
| Day
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1.00 | 1.41 | 1.73 | 2.00 | 2.23 | 2.44 | 2.64 | 2.82 | 3.00 | 3.16 |
| Night
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1.30 | 1.84 | 2.25 | 2.60 | 2.91 | 3.18 | 3.44 | 3.68 | 3.90 | 4.11 |