There is a wide variety of Anti-air guns in the Ace Combat series. * Land-based platforms: Land-based AA Guns usually appear as stationary defenses or mobile AA units. * Ship-based platforms: AA Guns can be seen on a wide variety of ships, including destroyers, cruisers, and aircraft carriers. * Air-based platforms: AA Guns can be seen mounted on large aircraft, such as the XB-0, the Gleipnir, and the Spiridus.