| Building Overview | Game Strategies | History |
The Radar Air Defense is a stationary AA weapon and the fourth Lookout building, automatically upgraded from Air Defense Gun at the 
Modern Age.
Radar Air Defenses has slightly improved durability, firepower and range over Air Defense Guns, but takes longer to build. It also retains its ability to detect any invisible units within its line of sight.
Like other anti-aircraft units and buildings, Radar Air Defenses can be jammed by scouts.
The Radar Air Defense's line of sight increases with each level of 
Science technology researched by +3 tiles.
Radar Air Defenses are automatically upgraded to SAM Installations in the 
Information Age.
Nation powers[]
- The British Power of Empire: Radar Air Defenses are 25% cheaper and built 33% faster.
- The Indian Power of Majesty: Radar Air Defenses rise in cost at half their normal rate.
- The Lakota Power of the Plains: Can build Radar Air Defenses anywhere except in enemy territory.
- The Maya Power of Architecture: Radar Air Defenses have +25% hit points and are built 20% faster.
Trivia[]
- The Radar Air Defense is based on the German 8.8 cm Flak 18 anti-aircraft gun.
- Unlike the majority of buildings, the Radar Air Defense does not benefit from the Hit points bonus granted by Large and Major Cities.
Gallery[]
Anti-aircraft structures concept art
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