Please expand information about Ace Combat 6: Fires of Liberation.
Stonehenge
From Ace Combat Wiki
Stonehenge was an Erusian weapon, used to shoot down asteroids. However, when war came, it was used as an offensive weapon. It would destroy any aircraft not at low altitude. Eventually it was destroyed by Mobius 1.
Appearance
Stonehenge was circular, about half a mile around. Perched in the desert, it had several cannons and SAMs all around it.