Air combat (Civ6)

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As usual, air combat is the most thrilling type of combat in the game. Who doesn't look to the skies as the next frontier? However, air combat doesn't happen until late in the Modern Era, when civilizations have researched the Flight technology and managed to construct the necessary infrastructure to support air units.

What is an air unit?

Air units (a.k.a. "airplanes" or "aircraft") are those units native to the sky, which perform their battle functions in or from the sky. In most cases air units actually attack ground targets, but they do it from the air. Unlike Civilization V, in which air attacks were considered melee and caused retaliation damage, in Civilization VI all air attacks are ranged (that is, the attacking plane doesn't suffer damage in return, unless Intercepted).

Air units fly freely above any type of terrain, including Mountains and Ice (which are otherwise impassable). They are the only class of units in the game capable of doing so.

Note that the Helicopter is not an air unit! Because it has to fly much closer to the ground, the Helicopter is considered a land unit, and must Embark like any other land unit to move through water. It also cannot pass over Mountains, as in previous games.

Building air units

Air units may only be built in a special District - the Aerodrome. All but the earliest unit, the Biplane, require the Aluminum Strategic Resource. Newly built aircraft will appear straight into the Aerodrome, if it still has

Aerodromes should be well-situated, because they are also the most important bases for airplanes. You should try to build them in cities with high Production, because airplanes are quite costly. You should also try to build them close to areas where you expect combat to occur at some point. And, of course, the Aerodrome will allow you to Airlift land units later in the game - you should think about that as well.

Bases for air units

Each air unit has to be based somewhere. You will not be able to build more units than you have space for in your bases!

Air units may be based in these places:

• City Centers: Each city you have may serve as a base, but they only have 1 slot.
• Aerodrome Districts: The most important base. They have 4 slots initially, and can reach 8 slots with the Hangar and Airport buildings constructed.
• Aircraft Carrier: The critical naval base starts with 2 slots, but may gain more through Promotions. Note that you will absolutely need Carriers to move your airforce across oceans!
• Airstrip improvement - Good strategists know that you cannot plan for every occasion. So, an improvised base for airplanes, the Airstrip, has been developed. This tile improvement can be placed anywhere, inside or outside your territory, and has 3 slots for aircraft.

You may spend a turn to Re-Base any aircraft, moving it to a new, valid base which is close enough. Note that Fighters have a much smaller range for re-basing than Bombers.

Types of air units

There are two main types of air units: fighters and bombers.

Fighter units

Fighters' main purpose is to attack and defend against other air units. They have the special ability to Intercept, which allows them to automatically attack incoming aircraft.

Fighters are used differently than in Civilization V. Their operational range is considerably smaller (the Biplane, for example, has a Range Range of only 3); however, they may be Deployed on Patrol duty, which effectively extends their range (see below). Still, their flight autonomy is much less than the one of a Bomber unit, and this also affects the bases they may Re-base to.

Fighters deal ranged type damage, which is effective against units, but not against cities. Their Promotions are focused primarily on attacking other air units, or cavalry-type ground units.

Bomber units

Bomber units are dedicated to blowing anything that moves on the ground to smithereens. Their operational range is considerably larger than Fighters, but they cannot be Deployed - they always operate from their base.

Bombers deal bombard type damage - effective against cities, but not against units. However, they may greatly increase their capabilities against ground or naval units via Promotions. Promotions also allows them to defend better against Interception.

Bombers may also carry and deliver both types of nukes, which makes them the first natural unit able to do this (and is also historically correct).

Bombers may attack tile improvements and districts, though they need more than 50% health to do so (or the Superfortress Promotion, which removes the minimum health requirement). With these attacks they destroy the targets, which is equal to Pillaging, but without gaining any loot.

Air Strikes

Air Strikes are the main mode of aerial combat (and for bombers, the only mode). Both fighters and bombers may perform them from their bases (or from their Patrol location, in the case of fighters).

Air Strikes are in fact the normal attacks of air units. You will need to select a target in the operational range of the aircraft, and it will attack that target. While bombers may only choose ground targets, however, fighters may choose both ground targets and enemy planes Patrolling in the air. In this second case, they will engage in "dogfighting," or plane-to-plane combat. In any case, any air strike takes a full action to perform.

While performing Air Strikes, air units are vulnerable to Interception.

Patrol

All Fighter-type airplanes may perform Patrols. To start it, you have to first Deploy the plane to a tile inside its Operational range (which takes a full action). Note that this tile cannot be over enemy territory - just over your own, or netural territory. The tile of their Patrol effectively turns into a sort of secondary base, from where they may perform Air Strikes. The range for these attacks is the same as their operational range (3, in the case of the Biplane), so you can effectively double the fighter's Range Range if you want to. While on Patrol, Fighters cannot Heal damage, unless they've earned the Ground Crews Promotion. They can also be attacked via Ranged attacks, both from the ground (or the sea, if they're Patrolling over Water), or from other FIghters.

While on Patrol, Fighters are able to Intercept enemy aircraft.

Interception

Interception is when an air unit gets attacked by an enemy (either another air unit, or a ground unit) while on the way to its target. Interception is actually the only way to defend against air power in Civilization VI, now that all air attacks are considered ranged and thus not subject to retaliatory damage.

Among air units, only fighters may Intercept, and only while they're on Patrol. Fighters cannot intercept while they're in their bases! You don't need to give a separate order to Intercept - once you've placed a fighter unit on Patrol, it will automatically Intercept all enemy aircraft which enter its zone of patrol. Note that enemies are prone to interception both when they attack a tile within the interception range, and when they're merely passing through it en route to their real target.

It is a wise strategy to place patrolling fighters in strategic zones close to, or in between, potential enemy bases and potential targets. This way you have a chance to intercept any attackers, and even shoot them down before they reach their target!

Every Interception does damage to the unit being intercepted. If the damage is enough, the plane will be shot down; otherwise, he will still perform the attack (but suffer the damage, of course).

Nuclear and Thermonuclear Strikes

Bomber units are capable of delivering your nukes to the enemy. Thanks to the new system, in which nukes are stored centrally, any bomber may deliver any weapon you wish (as long as you have it in your inventory). The bomber itself is unaffected by the blast, of course. However, this doesn't mean that it is invulnerable while trying to deliver the nuke! It may be Intercepted and shot down, if the enemy has sufficient capabilities. If this happens, you will lose both the bomber and the nuke.