Dust Tactics: Allies Heavy Support Walker – "Long Tom II / Mobile HQ / Skysweeper"

Game description from the publisher:

The Dust Tactics: Allies Heavy Support Walker is the Allies' latest piece of versatile VK-powered hardware and it has three configurations: the Long Tom II, the Mobile HQ, and the Skysweeper. The Long Tom II is equipped with a fast-reloading artillery weapon, allowing this walker to strike repeatedly from a distance. The Mobile HQ is a command vehicle that lets Ally command squad units come aboard and use its equipment to enhance their abilities. Meanwhile, the Skysweeper blasts enemy planes out of the air!