The Ion Cannon Support is a GDI support structure in Tiberium Alliances which provides anti-vehicles defense for the base it is defending. The Ion Cannon Support is a unique building and so it needs one clear plot spacing from other unique buildings. It automatically supports all alerted friendly bases within range (12 fields) with an artillery barrage in their defense area against incoming attacks. Damages (for lower levels, damages evolution between level 1 and 65 structures): Same level as enemy: 4% vs Infantry, 6% vs Vehicles, 0% vs Aircrafts.