 This brigade, was composed of units, from Indiana, Wisconsin, and Michigan, which consisted of the 2nd, 6th, and 7th Wisconsin Volunteer Infantry Regiments, the 19th Indiana, Battery B of the 4th U.S. Light Artillery, and joined later, by the 24th Michigan.Although, this Iron Brigade of the East served in the same infantry division, as the Iron Brigade of the West, press attention focused primarily on the latter.Most of the Eastern regiments were mustered out before the Battle of Gettysburg, where the remaining Eastern Iron Brigade Regiments and the Iron Brigade of the West arguably achieved their greatest fame.