VehicleType { 
   Name = JAM Turret
   abstract = true
   ID = 309
   parent = 400 401 402 422

   Description = JAM turret
   Infotext = [ground jammer system]

   Armor -= 50
   Jamming = 55

   TerrainAccess ->* VehicleType.turret_only
   Weapons {
      Initiative = 0
      Number = 0
   } Weapons
} VehicleType
