120cm対地対空両用磁気火薬複合加速方式半自動固定砲 ストーンヘンジ
Gigantic [[railgun|railguns]] in the [[Ace Combat]] universe, debuting in [[Ace Combat 04]] and later appearing in [[Ace Combat 7]]. Originally built for shooting down asteroids by Usea, the Erusean military seized the guns and used them for anti-aircraft work [spoilers]until an air raid would finally see the facility neutralized[/spoilers]. Very similar facilities with the same name appeared in [[Ace Combat Infinity]]. [spoilers]The original facility would return in Ace Combat 7, with the sole remaining gun being used to shoot down an [[Arsenal Bird]].[/spoilers]

The official name is: 120cm-Caliber-Anti-Surface-And-Air Gunpowder-And-Electromagnetic-Propelling Semiautomatic-Fixated Guns, or the Spaceguard Turret Network
stonehenge turret network