Dragon Lair is a mission in Ace Combat: Joint Assault.
Plot
Antares Squadron as part IUPF must attack hostile fortress in the south of Romania. Fortress is equipped the powerful rail gun Balour. That fortress rail gun is the same model used on their aerial base Spiridus. During a gun shot flying projectile creates a destructive shock wave capable of downed aircraft. Anticipated rail gun attacks will be shown on HUD.