The Militarum Tempestus, also known as the Ordo Tempestus, is amongst the most rigidly codified of all Imperial organisations, for its troops form the elite backbone of the Astra Militarum, serving as its special operations units. Though the Ordo is technically a sub-faction governed by the Adeptus Administratum, it enjoys a far greater amount of autonomy than the Imperial Guard regiments that often fight alongside it.
Alongside the Taurox Prime vehicles the Militarum Tempestus also use the Valkyrie Transport. The Valkyrie Airborne Assault Carrier is a heavily armed Imperial Aircraft with VTOL (Vertical Takeoff Or Landing) capabilities, used to ferry troops, such as the Tempestus Scions, to and from combat zones.
This Militarum Tempestus Valkyrie was on display at Warhammer World.