Corporal Damon Baird was a allied soldier who was an expert in several technical and mechanical fields. He also appears to be an expert in collecting and analyzing Axis weapons, other equipment, artifacts and documents. He joined the Allies army, and soon after met Roebuck, who became his best friend. Fourteen years later he was a member of Alpha Squad during the Imperial Offensive. After the successful conclusion to the offensive, he was assigned to lead Sigma-One with Cole, taking part in several battles against the Axis and the Horde.