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Delaware is the Tier VIII American airstrike battleship. Her right-trigger fires a line of dive bombers in place of torpedoes, which gives her a damage source that does not need line of sight on top of her main battery. Standout traits: best DCP duration in T8 BBs (20 s) and best Observation Seaplane duration in T8 BBs (40 s).
Park 14-17 km from a contested cap with island cover within one rotation of your bow. The airstrike line wants to cross the cap and the predictable retreat lane, both of which favor positions a little further back than a brawler would take. Open-water lanes are pure downside; you do not need line of sight to score with the airstrike, so cover is free upside.
The squadron's travel time is long enough that a healthy DD or cruiser with engine boost simply turns out of the cone. Reserve strikes for capping destroyers, island-huggers, and anyone already tying up with a teammate.
Right-trigger fires a bomber line in place of torpedoes. Rewards behind-cover positioning with the cap in range.
20.0 s Damage Control duration, best of T8 BBs. Stays fire / flood immune longer per activation.
150.0 s Catapult Fighter active time, best of T8 BBs.
40.0 s Observation Seaplane duration, best of T8 BBs. Spotting + tighter shell grouping stays up longer.
95000 HE DPM, bottom decile of T8 BBs. Don't bank on burn pressure.
Delaware is available in the Aviation Battleships branch of the U.S. Tech Tree for 25,000,000 credits after researching it in the branch. Known module upgrades cost up to 5,000,000 credits. Official source cards below may also show its temporary Early Access window before it became a normal Tech Tree unlock. Container chances are shown as the listed odds of receiving this exact ship, dividing grouped ship-pool odds across the resolved ships and including nested container paths when a crate can drop another crate.
Delaware sits in the Aviation Battleships branch. The highlighted path shows the local branch context inside the full U.S. tree.
U.S. hybrid battleships offer unique torpedo airstrike capabilities compared to conventional battleships, but they make large targets and have more limited gunnery abilities as a trade-off.
Pair with a commander whose unique skill complements her main armament; check the build tool for current recommendations.
Have a build you swear by? Open it in the Build Tool and hit Save build to share it here.
Where Delaware sits among Tier VIII BBs (31 ships). Notable standouts are shown first; the rest of the cohort-ranked stats are in the expand below. Acquisition variants (Black Friday, Founders Edition) are counted once with their base ship, not as separate peers.
Not standouts for Delaware -- here's where she sits on every other ranked stat in the cohort. Stats tagged NORM are tied across more than half the cohort, so the value is the cohort default rather than a standout.
Damage Control Party∞ charges · 80 s reload · 20 s active
Repair Party3 charges · 80 s reload · 28 s active · 10,514 HP (14% of max HP) total heal (per charge) 
Catapult Fighter3 charges · 70 s reload · 150 s active · 5 km patrol radius 
Observation Seaplane3 charges · 200 s reload · 40 s active · 1 squadron size · Tightens main-battery shell groupingAll values are ship base stats with modifications and upgrade changes denoted inline.
Numbers the spec table cannot show directly: alpha-strike math, DPM, dispersion, AP penetration. Click the formula chip on any row to reveal how it is calculated.
Horizontal dispersion ellipse width at max range, from the verified WoWS dispersion model: $\sigma_H = \left(\dfrac{R}{30}\cdot\dfrac{\text{idealRadius}-\text{minRadius}}{\text{idealDistance}} + \text{minRadius}\right)\cdot 30$ $= \left(\dfrac{15740}{30}\cdot\dfrac{12-2}{1000} + 2\right)\cdot 30 = 217.4\,\text{m}$How wide your shells scatter at 10 km, from the same dispersion model as the max-range figure above. Picking a fixed range makes this number directly comparable from ship to ship: max-range dispersion makes a longer-range gun look worse even when it's tighter at any common range. The interactive Dispersion tab on the Charts card plots the full curve from 0 to max range.Vertical dispersion ellipse height at max range: $\sigma_V = \sigma_H \cdot \text{radiusOnMax}$ $= 217.4 \cdot 0.6 = 130.4\,\text{m}$How tall the same scatter ellipse is at 10 km. Comparable from ship to ship for the same reason as the width value above.50%-hit horizontal radius: $\sigma_{H,50} = \sigma_H \cdot \text{GetHalfHitsRatio}(\sigma)$ $= 217.4 \cdot 0.338\;(\sigma = 1.9) = 73.4\,\text{m}$50%-hit vertical radius: $\sigma_{V,50} = \sigma_V \cdot \text{GetHalfHitsRatio}(\sigma)$ $= 130.4 \cdot 0.337\;(\sigma = 1.9) = 44\,\text{m}$2.5% overall improvement compared to EU BB Disp.Canonical community AP formula (jcw780/wows_shell), evaluated at muzzle velocity: $P = 10^{-7}\cdot K \cdot m^{0.69} \cdot d^{-1.07} \cdot v_0^{1.38}$ $= 10^{-7}\cdot 2520 \cdot 1225^{0.69} \cdot 0.406^{-1.07} \cdot 762^{1.38} = 847.6\,\text{mm}$. Matches the in-game spec card.Same formula at the ship's max firing range (21.6 km), where the shell has slowed to 498.9 m/s: $P = 10^{-7}\cdot 2520 \cdot 1225^{0.69} \cdot 0.406^{-1.07} \cdot 498.9^{1.38} = 472.4\,\text{mm}$.68 mm ≈ 406 mm caliber / 6 (standard HE penetration ratio).floor(406 mm caliber / 14.3) = 28 mm (AP auto-penetrates plating this thick or less).AP shell over-penetration splash radius; scales with shell mass. Wickes 102mm = 3, standard 152mm CL ~ 20, Iowa 406mm ~ 270, Yamato 460mm = 400, Incomparable 650mm = 550 (max). Larger value = bigger splash damage area when AP over-pens.All 8 barrels bear on the broadside.180 degrees / 4 deg/s traverse speed = 45 s.5,700 HE damage x 8 broadside guns = 45,600.13,100 AP damage x 8 broadside guns = 104,800.45,600 HE full-salvo alpha x 60 / 32 s base reload = 85,500.104,800 AP full-salvo alpha x 60 / 32 s base reload = 196,500.45,600 HE full-salvo alpha x 60 / 28.8 s installed reload (Main Battery Mod. 3 = -10%) = 95,000.104,800 AP full-salvo alpha x 60 / 28.8 s installed reload (Main Battery Mod. 3 = -10%) = 218,333.8 broadside guns x 60 / 32 s base reload = 15.8 broadside guns x 60 / 28.8 s installed Artillery reload = 16.7.15 shells/min x 36% fire chance = 5.4.16.7 shells/min x 36% fire chance = 6.Sum across every AA aura on this ship of (aura.continuous_damage x 3.5 x aura.hit_probability). Here: (174×3.5×0.75) + (49×3.5×0.7) + (47×3.5×0.75) = 700. Covers AA-only mounts plus dual-purpose secondaries (Bismarck 105mm, USN 5"/38 cruiser secondaries) and dual-purpose main batteries (Sumner-class 5"/38, Akizuki-line 100mm). Formula validated against in-game captures on California, Sumner, Manfred von Richthofen, Dante Alighieri (exact) and within +/-17% on the remaining verified ships.Longest-reaching aura across AA-only + dual-purpose auras.SUM over AA auras of (aura DPS x aura range km). A plane crossing the AA bubble is exposed to each aura for a time proportional to that aura's range, so long-reach DPS is worth more than the same DPS in a short bubble. Units: DPS*km; used to rank overall AA threat across the cohort.Max dispersion = range (km) × 57 + 30. Each dispersion type sets its own slope; this is not a percentage applied to a standard baseline.5 km × 57 + 30 = 315 m.Sum across all secondary families of (per-side barrels × 60 / reload_s × alpha), where per-side barrels = mounts × barrels-per-mount / 2 (the guns that bear on one broadside target). Per-family: 10×2 127 mm (10/side) × 60/6 × 1800 = 180,000. Assumes every shell hits (real hit rate is lower; the Brawl matchup tool on the Compare page folds in dispersion + target armor).Maximum HE damage per shell across secondary HE families. Best on this ship: 1800 from the 127 mm family.Maximum per-shell fire chance across secondary HE families (before target fire resistance is applied). Best on this ship: 5% from the 127 mm family.Maximum HE armor penetration across secondary HE families (caliber × 1/6 for most nations; 1/4 for German/UK BBs). Shells whose pen falls under a plate's armor thickness shatter for 0 hull damage though fire chance still applies. Best on this ship: 21 mm from the 127 mm family.Hull HP 68,800 → 75,100 with hull upgrade, distributed across 5 hull zones, each with its own plate thicknesses, saturation cap, and pen thresholds. HP caps are the exact in-game values, not estimated.
Overmatched by 7 guns here: Incomparable SE 25IncomparableYamato and 4 more. Angling still helps against the rest.
Citadels come from a flat broadside at close range; held past ~30° of angle, AP shatters or bounces.
Superstructure and extremities take HE pens and AP overpens from nearly any gun: steady chip damage. Fire resistance 40%, fires burn 60s. Range-by-range in the ballistics tool →
| Section | Plates | HP cap | Threats | Tactic |
|---|---|---|---|---|
| Bow | 32 mm primary (range 32–50 mm) | 2,800 (4% of HP) | Overmatched by 460mm+ (Aki, Musashi)Angle bounces 410mm32 mm: HE pens from 203mm+ | Bow-tank fits behind this exterior plate. Saturation is FAST here; the cap is often only a few thousand HP. |
| Hull (midship) | 19 mm primary (range 16–439 mm) | 56,300 (75% of HP) | Overmatched by 283mm+ (Scharnhorst '43, Schill)Angle bounces 203mm19 mm: HE pens from 127mm+ | Largest HP pool. Citadel sits behind these plates; thinner deck and side plating absorb the rest. |
| Stern | 32 mm primary (range 6–439 mm) | 4,800 (6% of HP) | Overmatched by 460mm+ (Aki, Musashi)Angle bounces 410mm32 mm: HE pens from 203mm+ | Mirror of bow. Same fast saturation. |
| Citadel | 307 mm primary (range 32–297 mm) | ≈ 165,500 (effectively no cap) | Citadel pen: full damageOver-pen: ×0.10 damage | Effectively no cap; citadel pool sits at ~165k HP on every ship. An AP citadel penetration deals the shell's full damage, the biggest single hit available; only over-penetrations are damped, to ×0.10. |
| Superstructure | 6 mm primary (range 6–439 mm) | 800 (1% of HP) | Any HE ≥16 mm pens at full damage | Any HE ≥16 mm pens at full damage. HE-spam target, and the section saturates fast (often only a few thousand HP). |
| Turret (module, per magazine) | separate HP pool, does not drain ship HP | 40,400 magazine HP | Magazine detonation1–30% chance · below ~75% HP | Per-turret powder-magazine HP. Detonation chance scales from 1% (no mag damage) to 30% (full mag damage); this range is the in-game value. Detonation can't roll while the ship is above ~75% HP (the standard detonation-protection threshold, not a per-ship stat). Smaller magazines saturate to the 30% ceiling faster. |
| Secondary mount (127 mm mount) | separate HP pool, does not drain ship HP | 800 per-mount HP | Destroyed at 0 HP | Per-mount HP for the heaviest secondary on this ship. A mount destroyed at 0 HP is out for the rest of the battle; DCP does not repair destroyed mounts. Smaller (lighter-caliber) secondaries typically share the same HP value. |
| AA mount (76 mm mount) | separate HP pool, does not drain ship HP | 200 per-mount HP | Destroyed at 0 HP | Per-mount HP for the heaviest AA on this ship. An AA mount destroyed at 0 HP stops shooting down planes for the rest of the battle; DCP does not repair destroyed mounts. HE shells specifically target AA mounts since the small-caliber HP pool falls fast. |
| Engine (module, research) | engine coefficient (unconfirmed) | -0.128 research estimate | Largest on BB/BC; zero on destroyers | Engine durability isn't a per-ship value in the game data. This small negative coefficient is non-zero only on battleships, battlecruisers, and the heaviest cruisers, and is exactly zero on every destroyer, so it scales with hull displacement rather than any commander skill. Most likely an engine drag or power term in the same family as the deceleration stats; its exact meaning is not yet confirmed. |
| Rudder (module) | separate HP pool, does not drain ship HP | 22,500 module HP | Incapacitated at 0 HP | When module HP reaches 0 the rudder locks at its current angle until DCP repairs it. Repair via Damage Control Party. |
Saturation cap = HP a section can absorb before further damage to it is reduced (the "bow-tank" effect). Citadel pool is ~165k on every ship (effectively no cap); damage is gated by pen/over-pen multipliers instead. Superstructure saturates fast but HE always pens regardless of the plate thickness. Rudder (and other module HPs) are a separate pool from ship HP: damaging a module doesn't drain ship HP. Incapacitated modules like the rudder and engine are restored by DCP, but secondary and AA mounts destroyed at 0 HP stay out for the rest of the battle.
Balance updates affecting Delaware. Cards are condensed; use each source link for full context.
Every custom exterior Delaware can equip, from in-game data.
Filtered to official World of Warships: Legends pages where this ship is a focus, reward, line member, or high-context variant mention.
