“Defends your city against aerial attackers.”
Levels
Level 1
Level 2
Level 3
Level 4
Level 5
General Information
- The Air Defense is a defensive building that deals damage against Airstrip units within its range.
- The Air Defense is available in the Industrial Age.
- Bombers can do little damage against these structures.
Statistics
| Age | Number Available |
|---|---|
| Industrial Age | 2(3) |
| Global Age | 3(4) |
| Atomic Age |
| Level | Build Cost 
|
Citizens Needed 
|
Upgrade Time 
|
Damage /Sec. 
|
Range 
|
HP 
|
XP Reward 
|
Age Unlocked |
|---|---|---|---|---|---|---|---|---|
| 1 | 3,500,000 | 4 | 5d | 300 | 7 | 5,000 | 2,700 | Industrial Age |
| 2 | 5,500,000 | 7d | 350 | 5,750 | 3,245 | |||
| 3 | 7,000,000 | 8d | 420 | 6,325 | 3,495 | Global Age | ||
| 4 | 8,600,000 | 10d | 550 | 8,225 | 3,950 | Atomic Age | ||
| 5 | 10,600,000 | 10d 12h | 632 | 9,460 | 4,055 | Cold War Age | ||
| 6 | ? | ? | ? | ? | ? |
Boosts
The Air Defense Technology at the Library confers these bonuses:
- Chapter 1 : Increases Air Defense attack by 10%.
- Chapter 2 : Increases Air Defense health by 10%.
- Chapter 3 : Increases Air Defense limit by 1.
- Chapter 4 : Increases Air Defense health by 10%.
- Chapter 5 : Increases Air Defense attack by 10%.
The Radar Technology at the Library confers these bonuses:
- Chapter 5 : Air Defenses connected to the City Center by Roads have +15% attack.
Amelia Earhart at the University confers these bonuses:
- Air Defense Damage: Increases Air Defense attack by 6% (5 levels).
- Air Defense Hitpoints: Increases Air Defense health by 6% (5 levels).
The Air Defense blessing adds 40% damage
Trivia
- Another building that can do great damage against aircraft is the Tower.
Template:Nav-Buildings