Betrayal! The Rask have launched a surprise attack against their former allies, plunging the territories of Borealis into a bloody war. The tyrannical Matriarch deploys her pirate legions to seize control of the planet’s trade routes, while a UNN Assault Carrier lands a battalion of armored vehicles on its surface to restore order. The Coalition forces must drive across the Dune Sea, thousands of kilometers of inhospitable desert, fighting off the Rask army as they go.