A TX4 Piranha is a type of lightly armoured combat scout skimmer used by the Tau Fire Caste – a mobile weapons platform that is capable of great speed and manoeuvrability. Using its jet-thrusters and anti-gravitic engine, a Piranha is a fast moving craft that is extremely hard for a foe to hit, its twin crew well able to hug the terrain and make the best use of any cover. Furthermore, a Piranha’s weaponry allows it to punch well above its own weight, either using its Burst Cannon to slaughter enemy infantry, or using a Fusion Blaster to blow apart battle tanks many times its own size. Along with a nose-mounted main armament, a Piranha carries two Gun Drones — either retained on the vehicle to add firepower, or detached into AI (Artificial Intelligence) mode to perform some other mission. When operating as lone hunters, Piranhas are dangerous enough, but it is when they are fielded in teams that they become truly lethal.