

The Whirlwind is armed with a Whirlwind Multiple Missile Launcher that is placed on a rotating turret on the vehicle's dorsal surface that is capable of firing a number of different types of missile ordinance. The Whirlwind design is not used by the Chaos Space Marine Traitor Legions, although the reasons behind this are unclear as the Whirlwind was used extensively by all the Space Marine Legions during the Great Crusade and Horus Heresy eras. The Whirlwind is available exclusively to Space Marine forces and is typically deployed in squadrons of three units, though in smaller actions individual vehicles may be observed operating just as effectively.

The launcher's normal payload consists of solid fuel, high explosive missiles, but it is also capable of firing incendiary warheads to burn the enemy out of entrenched positions. It is intended to be used primarily for softening up a heavily-fortified static position or other well-defended target prior to the start of a major Space Marine assault. The Whirlwind, whose standard pattern is known as the Whirlwind Helios, plays the role of artillery support, providing support fire on enemy formations from the relative safety of geographical cover, such as behind hills, forests or other line-of-sight obstructions. The Whirlwind is an Imperial artillery support vehicle based upon the Standard Template Construct (STC) Rhino armoured personnel carrier (APC) chassis that is now primarily used by the Space Marine Chapters of the Adeptus Astartes. Commander Argentius of the Silver SkullsĪ Whirlwind Helios artillery tank of the Black Templars Chapter. But if we rest in front of them, we shall be lost." " Victory does not always rest with the big guns.
