The mission starts out with the player in control of a squad of grunts that are sent to reinforce the Frontier's radar array at Windbreak Ridge. After fighting their way through a small Tundran encampment they are chased by Tundran Heavy Recons. The recons are destroyed by Frontier Bazooka Veterans near the radar array which join the player's Battalion. Once the Battalion reaches the array the player gets additional grunts and is asked to defend it by Colonel Austin. Colonel Austin shows how to make units of the same type be in a different mode than another type of unit. He then shows how to make units enter MG nests. Major Nelly sends in a wave of infantry, followed by a wave of recons, followed by another wave of infantry. It is worth noting that infantry always comes from the rear entra