Nuclear submarine transports strike fast and hard in a series of surprise attacks on major East coast cities, leaving a bloody trail of death and destruction. Ill-equipped for retaliation, the war-torn remains of what was once America must turn to Hawk Hunter, "The Wingman", to spearhead the fight against the enemy hordes. Joining forces with the Doomsday Fleet, a tight group of naval attacks ships, Hunter leads an epic battle to keep America free.