Ship:Anti-Aircraft Fire

{{AnnoWiki|content=
[[File:Wows icon modernization PCM018 AirDefense Mod I.png|left]]Nearly every ship in ''World of Warships'' mounts '''anti-aircraft''' guns in order to defend itself - and its team - from hostile planes.  These mounts can range from small-caliber machine guns up through anti-aircraft artillery; some ships are even capable of using their main battery weapons to provide anti-aircraft fire.  Each weapon and caliber is grouped into set range bands in order to defend from incoming aerial attacks.}}

<div class="thumb tright">{{VideoYT|Dvrwz-1XhnM|320}}</div>
{{#block:!!| '''N.b''' that some details shown in the How It Works video are out of date, particularly with regard to how AA defenses operate. The pictures and basic concepts are still good.  Read the text below for up to date information.}}

__TOC____NOEDITSECTION__

Like ships, every [[Ship:Aircraft|aircraft]] in ''World of Warships'' possesses a certain number of hit or health points (HP).  (Carrier-based aircraft HP ranges roughly 1500-2400.)  In order to shoot down a plane, this health pool must be reduced to zero.  A surface ship can do that with its AA guns and, in some cases, with its fighters.  We'll start with how AA guns are implemented.

== Anti-Aircraft Guns ==

Guns that are useful against attacking aircraft are generally grouped into three classes by range and effect, both functions of caliber.<ref>[https://en.wikipedia.org/wiki/List_of_anti-aircraft_guns List] of anti-aircraft guns.</ref>

=== Short Range Guns ===

30mm or smaller caliber.  Essentially, these are machine guns.  Small, light, fast-firing guns that usually throw solid shells (with a few tracer rounds mixed in).  The small shells aren't able to retain enough energy to be effective (or aimable) beyond 2km.  But the high volume of fire can make them dangerous within that range.  Small caliber AA guns can be single-mounted nearly anywhere on the ship or they can be clustered in mounts with up to 8 barrels and relatively sophisticated aiming mechanisms. An example of the single mount is the ubiquitous ".50 Cal" Browning machine gun. (12.7mm caliber)

=== Medium Range Guns ===

30.1 to 85mm caliber (1.1" to 3.5").  These are serious guns, with shell weights from 1 to 9kg.  These calibers are perfect for the anti-air role as they have good range, respectable rates of fire, and hits do significant damage even against relatively large aircraft.  The larger guns can fire proximity fused shells; the smaller are light enough to mount on nearly any ship.  An example of the medium range AA gun is the 40mm Bofors, often quad-mounted, which is considered to be the most effective anti-air weapon of WWII.

=== Long Range Guns ===

Greater than 85mm caliber (3.5" and up).  Large calibers with much slower rates of fire than the smaller classes, but with long effective range and altitude and a large warhead.  These guns are similar to - and often were - secondary anti-surface, or dual-purpose guns.  Especially later in WWII, even main batteries were modified to perform as dual-purpose weapons, e.g. 155mm (6") and 203mm (8")<ref>Although advertised by the Navy as dual purpose, the 203/55 Mk.16 mount was rarely if ever employed in the AA role.  It is not AA-capable in ''World of Warships''.</ref> USN cruiser mounts.  More common in the AA role were the USN's 127mm (5") twin mounts.

For AA use, the shells often carry explosive warheads designed to throw out a sphere of deadly shrapnel so that just getting a shell close to an aircraft might kill it.  Combined with proximity fusing, these guns were deadly.

== Anti-Aircraft Auras ==

<!-- [[Image:AA Auras 0 8 7.jpg|thumb|border|left|link=|alt=AA Auras as of 0.8.7|Anti-aircraft auras]]-->

Unlike anti-ship artillery or torpedo armament, ''World of Warships'' does not plot fields of fire or calculate trajectories for anti-aircraft guns.  With the large number of AA guns and high rates of fire, doing so would place an unacceptable load on the servers. Instead, anti-aircraft armament is collected into three zones of effect &mdash; '''auras''' &mdash; divided by the three gun classes described above.  The auras overlap and reinforce each other. 

[[Image:WoWs AA Auras.jpg|720px|frameless|none|link=]]
<br />
Auras start at 100m from the ship.  The depth of each aura is defined by the types of guns that form it: a ship with X type gun may have an aura with maximum range (depth) 2.5km, while on a ship with Y type gun the depth of the same aura may be only 1.9km.  The auras do have minimum depths. 

The three auras are '''short range''' - guns up to and including calibers of 30mm, depth >1.5km; '''medium range''' - guns of caliber 30.1 to 85mm, depth >2.5km; '''long range''' - the big rifles over 85mm, depth >4km.<ref>Dev Blog [https://forum.worldofwarships.com/topic/197321-pt-aa-changes/ post].</ref> 

Like secondary batteries, AA guns begin a battle unloaded and start to load as soon as an enemy plane enters the outer aura. Thus, for the very first air attack on your ship, AA may not inflict damage immediately. (This mechanic may change in the future.)

=== Continuous Damage ===

Every AA mount can do damage to attacking planes.  Grouped by gun class into auras, this damage is applied as '''continuous damage'''.  Within an aura, continuous damage has two components: a maximum damage done, and a rate at which that damage is done.  The maximum damage is determined by the number and types of guns comprising the aura.  The hit rate captures the effect of the ship's AA fire control systems.  The same gun with a better fire control will have the same maximum damage but a higher hit rate.  The hit rate generally increases with tier.

For example, a short range aura that can do 100 maximum damage with a hit rate of 90%:  Each second that an airplane or squadron remains within that aura, the system applies the average, (100 * 90%) or 90, damage to it.<ref>While damage is expressed in HP ''per second'', damage is actually applied several times per second (time slices).  E.g. an average of 90/10 or 9 damage may be applied every 1/10 second.  See [[Ship:Update 0.8.6#AA Defenses|Update 0.8.6]]. </ref>

But the squadron doesn't get off that easily.  In the case of the short range aura, both the medium and long range auras overlap it.  Continuous damage from ''all three auras'' is applied independently to a squadron within ~2 km of the ship.

If several planes or squadrons are within an aura, continuous damage at full current strength is applied to each of them.  If a plane or squadron occupies auras from more than one ship, each aura operates independently at full current strength.<ref>At one time, overlapping auras were devalued.  That is no longer the case. [https://forum.worldofwarships.com/topic/203201-st-changes-in-the-continuous-aa-damage-from-multiple-ships/ Forum announcement].</ref>

Continuous damage is applied to the last plane in the squadron.<ref name="PlaneKill">See [[Ship:Update 0.8.5#Game Balance Changes|Update 0.8.5]] for how damage to aircraft is applied. If a packet of damage results in the destruction of the last plane, for continuous damage the balance of that damage is lost.  For instantaneous damage, the remaining damage is applied to the next 'last plane'.  (Note that a continuous damage packet is much smaller than an instantaneous damage packet, so little is lost.)</ref>

For instantaneous damage, see [[#Sector Reinforcement|Sector Reinforcement]] below.

=== Flak ===

Long-range guns<ref name="NoMedFlak">As of [[Ship:Update 0.8.7|Update 0.8.7]] medium range guns do not produce flak clouds. See the [https://worldofwarships.com/en/news/game-updates/update-087-french-destroyers-part-2/ News article] for full illustrations.</ref> cover a '''flak zone''' between the maximum range of the big guns and 3.5 km from the ship.  Into this zone they can throw shells that explode in deadly bursts of shrapnel.  These explosions are modeled as '''flak bursts''' or '''flak clouds'''.  If an aircraft flies into a flak cloud, the shrapnel does a large amount of damage (roughly 1000-2000 HP per second).<ref>The amount of flak damage appears to vary by gun size, type, and ship tier. For instance, VIII ''Cleveland'', VIII ''Baltimore'', IX ''Buffalo''. and X ''Salem'' all have the same batteries: 6x2 127/38 Mk.32s. However, the flak damage increases by tier.</ref> Few carrier-based aircraft can enter two clouds and survive.  However, since these clouds only damage those planes that fly through them, they are ineffective against skilled pilots who manage to dodge.

The number of flak bursts depends on the guns, AA fire control (for the hit rate), and modifications.<ref>From the Feb. 2019 Dev Blog post, paraphrasing: "[The number of flak bursts is the base flak burst parameter (the number displayed in the game client)] multiplied with Hit chance. Normal (Gauss) distribution is applied, and the minimal burst [count] is symmetrical to the maximum. That means that with 10 base burst[s] and 70% hit chance, it will mostly be 7 bursts, 10 is maximum number and 4 is minimum."</ref>  The size or radius of a burst scales with the gun caliber. For example, flak bursts from a ''[[Massachusetts]]'', which are generated by 127mm guns, are larger than those of a ''[[Roma]]'', which relies on 90mm guns.  Flak guns reload and throw up new flak clouds every 2 seconds. (By the time they appear older clouds have dissipated.)

[[File:Flak zone B.png|thumb|left|Flak is aimed at A but might end up in B.]]

The air defense fire directors try to place shells in the path of the incoming squadron.  From the speed and current course of the squadron, they calculate a target zone (zone A in the accompanying illustration).  The depths of zone (marked x1 and x2) depend on the speed of the aircraft, and are smaller for slower planes.  Most of the flak bursts will appear in the target zone, but some shells will miss and explode nearby (zone B).  

From a single ship against a single squadron, 80% of the shells, to a maximum of six, explode in zone A, the rest in zone B.  If there are multiple squadrons in the flak zone (and thus more than one target zone A), the guns generate the same number of bursts, and the bursts are distributed among the A zones.  

When more than one ship engages the squadron, the number of flak clouds in the target zone can nearly double.  In this event, the most powerful flak bursts are prioritized to appear in Zone A.<ref>While the ships may have slightly different Zones A, the zones are amalgamated for display.</ref>

Damage from flak is not applied at the squadron level, but to the individual plane that enters the volume of a burst.  A single large burst might damage multiple planes.  Flak bursts do not overlap.

'''Note''' that not all ships have long range AA guns.  These ships have no long range aura and cannot generate flak.

=== An Example - ''Prinz Eugen'' ===

Here we illustrate air defense operations using the characteristics of the German Tier VIII Premium Cruiser ''[[Prinz Eugen]]''.

'''Short Range Aura'''
[[File:Eugen_Short_V2.jpg|thumb|Details of ''Prinz Eugen's'' short range air defenses]]
''Prinz Eugen'' carries 28x 20 mm Flakzwilling 38 barrels in dual and quad mounts.  Her '''short range aura''' has effect at ranges between 0.1 and 2km. Within that hemisphere, the short-range 20mm guns may deal up to 95 damage to aircraft every second.  The hit percentage is 85%.  This means that every second nearly 81 damage is done to the intruder.

Note that the medium- and long-range auras '''overlap''' the short-range aura, so within it the overall damage per second in ''much'' higher &mdash; just short of 300 HP per second.

'''Medium Range Aura'''
[[File:Eugen_Medium_V2.jpg|thumb|Details of ''Prinz Eugen's'' medium range air defenses]]
''Prinz Eugen's'' '''medium range aura''' is active out to 3.5km.  There is a 90% chance every second that each of her eighteen 40 mm L/56 Flak 28 mounts (242 max. HP/sec) will hit, doing aggregate 218 damage.<ref name="NoMedFlak" />

'''Long Range Aura and Flak'''
[[File:Eugen_Long_V2.jpg|thumb|Details of ''Prinz Eugen's'' long range air defenses. Note that the AA Mod 1 upgrade is mounted.]]
''Prinz Eugen's'' long-range artillery is 6x2 105 mm L/65 Dop. L. C/31.  These are effective out to 5.2km.  The big 105mm guns can do 123 continuous damage with a hit rate of 90% (~111 HP average). 

In addition, they throw up eight flak bursts every two seconds in front of an attacking squadron.  (Normally six bursts, but our example ship has the AA Modification 1 upgrade.)  A plane that flies into a cloud must absorb 1400 damage per second - almost enough to kill a smaller carrier plane.  The flak tracks inward until the attacking squadron gets closer than 3.5km to the ship.

== Sector Reinforcement ==

Every ship with an anti-aircraft capability can focus its AA firepower on one side of the ship, while correspondingly weakening the other side.  Pointing the camera<ref>This also works with the free look camera.</ref> to one side of the ship's mid-line and pressing the '~' (tilde) or letter 'O' key activates a '''priority AA sector''' on that side of the ship (preferably the side where aircraft are attacking).<!-- [what does this mean?] <ref>If you are viewing the Tactical Map when you activate Sector Reinforcement, the Northern side becomes the priority sector.</ref>--> 

<!-- [[Image:Priority sector 0 8 7.jpg|thumb|left|link=|alt=Priority Sector operation as of 0.8.7|The phases of sector reinforcement]]-->
[[Image:Priority sector 0 8 7.jpg|800px|frameless|none|link=|alt=The phases of sector reinforcement]]
<br />
Activating a priority sector has two effects: First, an amount of damage is immediately applied to all enemy squadrons within the priority side of the ship's air defense aura.  Second, the continuous damage from the auras gradually increases on the priority side and correspondingly decreases on the other side.  Sector reinforcement has no effect on flak bursts.  

Sector Reinforcement and other AA boosts such as the Defensive AA Fire consumable stack multiplicatively for continuous damage.<ref>This effect can be observed directly in the game client by applying Upgrades, Skills, and the AA signal.</ref>  E.g. An aura with base 100 HP/sec might increase to 135 with Sector Reinforcement (+35% or x1.35) and to 202.5 with simultaneous Defensive AA Fire (+50% or x1.50) - (100 * 1.35 * 1.50). (Actual effects depend on the ship.)

Activating Sector Reinforcement will also immediately activate AA fire without the need to press the 'P' key.

Aircraft carrier players can only activate Sector Reinforcement when they are at the carrier, not when they are flying.

=== Instantaneous damage ===

'''Instantaneous damage''', expressed as a percentage of the entire squadron's current HP,<ref>The squadron's HP is defined as the original health of the planes in the squadron at the time of activation.  The pool, and thus the % damage done, decreases as planes are lost.</ref> is applied to the squadron immediately on activation of a priority sector.  (''Prinz Eugen'', as a cruiser, applies base 3.5%.)  That amount is applied to the last plane(s) in the squadron.<ref name="PlaneKill"/>  If there is no squadron within an AA aura when sector reinforcement is activated, no instantaneous damage is done.<ref name="NewSectReinf">From a Dev Blog [https://forum.worldofwarships.com/topic/195179-st-priority-air-defense-sector/ post] about the new sector reinforcement mechanism.</ref>

=== Continuous damage shift ===

Each ship type has a duration over which the '''continuous damage''' is shifted toward the incoming attacker.  In the case of a cruiser, the shift takes approximately half the 10 second reinforcement duration.  The maximum effect is a 150% increase in continuous damage.  Then the effect returns to normal and there is a base 10 second cooldown period (preparation time) before sector reinforcement can be activated again.<ref>Normally the percentages are not displayed on the battle screen. It is possible to view them in real time by holding the <Alt> key as sector reinforcement activates.</ref>

{{#block:i| There is a level of skill in '''timing''' the use of sector reinforcement.  Activate it too early - while the attacker is outside the outer aura - and no instantaneous damage will be done.  Activate it too late and the squadron may get its attack off and escape before the continuous damage can increase significantly.  The faster the attacker, the more important this timing becomes.<ref>See [[Ship:Update 0.8.7#AA Defense Changes|Update 0.8.7]] for the recent changes to sector reinforcement.</ref>  For this reason, '''enabling the AA range circle on the mini-map is highly recommended'''.  Currently, it must be enabled once ''on each ship''.}}

The table below shows how priority sector action varies by ship type.  '''Max.''' and '''Min.''' are the effects on the reinforced and depleted sides respectively, at full effect, as multipliers.  '''Reenable Time''' is the total time until a sector can be reinforced again. 

{| class="wikitable" style="text-align:center; margin:auto;"
|+ Normal AA Sector Reinforcement Values 
! style="vertical-align:middle; width:130px" | Ship Type
! style="vertical-align:middle; width:100px" | Instant. Dmg 
! style="vertical-align:middle; width:100px" | Ramp-up time
! style="vertical-align:middle; width:120px" | Max. Reinforcement
! style="vertical-align:middle; width:100px" | Off-side Min. 
! style="vertical-align:middle; width:90px" | Reinforce Time
! style="vertical-align:middle; width:90px" | Cooldown
! style="vertical-align:middle; width:110px" | Reenable Time
|-
| Destroyer || 5% || ~5 sec || 135% || 65% || 10 sec || 10 sec || 20 sec
|-
| Cruiser || 3.5% || ~5 sec || 150% || 50% || 10 sec || 10 sec || 20 sec
|-
| Battleship || 3.5% || ~5 sec || 135% || 65% || 15 sec || 15 sec || 30 sec
|-
| Aircraft Carrier || 3.5% || ~5 sec || 135% || 65% || 15 sec || 5 sec || 20 sec
|} 
<br />

=== An Example ===
<p>
Using cruiser ''Prinz Eugen'' as an example again:  An enemy plane approaches from the starboard side.  At 5.2 km the long-range guns open up, doing 111 continuous damage and generating an average of eight flak clouds, each potentially dealing 1400 dps.  Sector reinforcement is available so the ship commander quickly orders his AA gunners to reinforce the starboard side.  The plane instantly takes 3.5% damage.  As it approaches, the ship's long-range continuous damage increases to 166 (111*150%) dps.  Then as the plane, having somehow survived, leaves the flak zone at 3.5 km range it enters the mid- then short-range auras which are reinforced up to 493 (166+327) and 614 (166+327+121) dps respectively.  Crossing over the ship, the dps decreases to 204 (40+109+55), then 149 (109+55), then 55 (111*50%) with no flak to dodge.
</p><p>
The cockpit &mdash; all that remains of the now-shredded plane &mdash; drops into the sea.  After a 10 second cooldown, the ship again is ready to make enemy pilots regret an attack.  
</p><p>
(This example does not consider the speed of the plane and thus where the plane would be when reinforcement reaches maximum or expires.  It is considered to be within the auras for the full duration of reinforcement.)
</p>

== Attrition ==

Shells and other ordnance can destroy AA mounts that may be critically important to protecting the ship.  Destroyed mounts cannot fire so the continuous damage of the related aura is reduced.  Losing long-range guns may also reduce the number of flak clouds that can be generated, as well as the damage done by them.

The location of a destroyed AA mount does not matter as each gun is considered to cover all directions.  This also means that sector reinforcement remains unaffected aside from the reduced continuous damage.  Once all AA mounts that contribute to an aura are destroyed, no more damage (continuous or flak) will be generated in this range band.  However, as longer range AA auras overlap the shorter range auras, continuous damage may still occur at the destroyed aura's ranges.

(Unlike main armament, AA and secondary mounts cannot be damaged and repaired &mdash; only destroyed.)

== Enhancing Anti-Aircraft Fire ==

=== Upgrades ===

'''[[Ship:Upgrades#Tier I+ Equipment (Slot 1)|Auxiliary Armaments Modification 1]]''' (Slot 1) increases the survivability of AA mounts by 100%. 

'''[[Ship:Upgrades#Tier V+ Equipment (Slot 3)|AA Guns Modification 1]]''' (Slot 3) reduces preparation time (cooldown) for a priority AA sector by 20%.

'''[[Ship:Upgrades#Tier IX+ Equipment (Slot 6)|Auxiliary Armaments
Modification 2]]''' (Slot 6) increases all continuous damage by 15% (x1.15).  Increases the damage from flak bursts by 15% (x1.15).  Increases by +2 the number of flak bursts when the Defensive AA Fire consumable is active.  

The special upgrade '''[[Ship:Upgrades#Special Upgrades|Defensive AA Fire Modification 1]]''' (Slot 2) increases the duration of the Defensive AA Fire consumable by 20%. 

The Legendary Upgrade '''[[Ship:Upgrades#Unique Upgrades ("Legendary" Upgrades)|Enhanced Countermeasures]]''' (Slot 5) for [[Worcester]] increases the duration of the Defensive AA Fire consumable by 20%.

=== Defensive AA Fire Consumable ===

The [[Ship:Consumables#Defensive AA Fire|Defensive AA Fire consumable]], available on higher-tier cruisers, destroyers and battleships, gives a major boost to the effectiveness of AA defenses.  For 30-60 seconds, all continuous damage is increased 50% (x1.50)<ref>On [[Ship:Stalingrad|Stalingrad]], the increase is 25%.</ref> and the damage caused by flak clouds is quadrupled (x4).

While {{Defensive AA Fire}} is active, flak bursts will appear with a reddish hue, whereas normally flak burst animations will appear more orange.  An aircraft carrier commander should take note of the color, as this is the only visual cue that {{Defensive AA Fire}} is active.

Activating the Defensive AA Fire consumable will also immediately activate AA fire without the need to press the 'P' key (but only if it is ready).

{{#block:+| Defensive AA Fire, when combined with Sector Reinforcement, can massively improve a ship's defense against air attack.  When using the two together, it is best to activate the consumable slightly before a squadron enters the ship's AA range and activate Sector Reinforcement just after.}}

Remember that Defensive AA has a much longer cooldown than Sector Reinforcement.  When you turn off the AA guns (by pressing 'P'), the DAAF consumable is deactivated and its cooldown begins immediately. This can shave a few seconds off the next charge becoming ready.

=== Combat Signals ===

'''November Echo Settoseven''' ({{November Echo Setteseven|Size=18px}}) increases both continuous and flak damage by 5% (x1.05).

=== Commander Skills ===

Several [[Ship:List of Commander Skills|commander skills]] directly affect the performance of anti-air defenses. 

== Fighters ==
{{main|Ship:Aircraft}}

[[File:Consumable_PCY004_Fighter.png|frameless|left|link=]]  <p>Some ships carry fighters that can be launched from catapults.  These take the form of the {{Catapult Fighter}} consumable that deploys a squadron of one to four fighter aircraft.  These fighters orbit their home ship at a radius of about 3.25 kilometers for 60 seconds.  The squadron functions automatically, and other than launching cannot be controlled by the player. 
</p><p>
If an enemy aircraft squadron comes within range, the defending squadron will attempt to shoot it down.  (The range depends on the relative speeds of the squadrons.)  The attacking squadron may summon a {{Patrol Fighter}} squadron to assist it.  Launched at the right time, catapult fighters can be very effective.</p>

== Maneuvering ==

There are actions the captain can take independent of his AA defenses.  Notably, '''maneuver the ship''' (sometimes known as WASD hacks) to make attacks as difficult as possible for aircraft.  Here is advice on what to do against certain types of attackers. 

* '''Attack planes''' deal the least amount of damage, but they are very fast, agile, and relatively easy to aim. The dispersion of their rockets is different per game nation.  You should not expose broadside to USN attack planes.  Try to avoid going bow or aft against IJN and RN planes.

* '''Dive bombers''' are usually slower and it's hard for them to adjust their aim while in the attack run. That means quick maneuvering is the key, and, as their dispersion pattern is usually long, they deal the most damage with bow or aft attack runs.

* '''Torpedo bombers''' have different attack run patterns per nation, but they have one thing in common &mdash; they always try to catch you broadside to maximize the number of hits.  USN torpedo bombers usually carry more torpedoes per attack, but they have more challenging aiming, so evasive maneuvers in advance will make their life much more difficult.  IJN torpedo bombers usually carry torpedoes with relatively long range, so beware of long drops and pay attention even if they do something on the edge of your visibility.  

Smaller agile ships may find that use of the throttle is as effective as use of the rudder.

== Hiding ==
=== Smoke ===

Ships hidden in [[Ship:Smoke Screens|smoke]] cannot be detected by aircraft.  However, the ships' AA guns do still operate.  A ship in smoke that is detected by other means ''can'' be attacked by aircraft. 

Smoke is a temporary reprieve against air attack, at best, and the smart squadron leader simply will avoid the area until the smoke dissipates. 

=== Suppressing AA fire ===

On some ships, the range of AA and secondary batteries can exceed the ship's air detectability range.  [[Ship:Detection#Firing_AA_guns|Firing those guns]] can reveal the ship to nearby aircraft.  In attempting to remain as stealthy as possible the captain can turn off the ship's AA and secondary batteries by pressing the P key.

When AA and secondary batteries are suppressed the [[File:250 icon atba off.png|20px|link=]] symbol appears next to the main battery ammunition icons along the bottom of the battle screen.  Tap the P key again (or activate sector reinforcement) to turn the batteries back on.

== Notes ==
=== Other Resources ===
<br />{{AnnoWiki|content='''[https://www.devstrike.net/topic/1265-actual-aa-dps-in-world-of-warships/ LittleWhiteMouse's "Actual AA DPS in ''World of Warships''"] research''' from Jan 2022 &mdash; includes all ships Tiers VIII to XI.}}

<!-- LittleWhiteMouse also has an article on AA mechanics.  It's a bit out of date now, but some of the observations are thought provoking :  [https://forum.worldofwarships.com/topic/192541-continuous-aa-dps-explained/ Link]-->

A Feb 2019 Dev Blog post that explains how AA defense changed for the 0.8.0 carrier rework : [https://medium.com/@devblogwows/ship-aa-defenses-107c18eac84 Link] and largely repeated [https://forum.worldofwarships.com/topic/182188-new-aa-mechanics-explained/ here].  Parts have been modified since, but still largely are applicable.

=== Footnotes ===
<references />


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