Shelby's Iron Brigade Brigade. The 3rd Brigade Combat Team, 1st Infantry Division was known as the Iron Brigade from its formation in 1917 through World War I, World War II and Vietnam, until some time in the early 2000s when, for reasons that are still unclear, the name was changed to Duke Brigade. The unit crest was an Iron Cross in a triangle, it appears that that was also changed. The 3rd Brigade of the 4th Infantry Division is also known as the Iron Brigade. Its unit crest is similar to the medals issued to veterans of the both Western and the Eastern
Iron triangle (US politics) policy outcomes directly in these committees and subcommittees. This is where an iron triangle may manifest itself. The picture above displays the concept. At one corner of the triangle are interest groups (constituencies). These are the powerful interest's groups that influence Congressional votes in their favor and can sufficiently influence the re-election of a member of Congress in return for supporting their programs. At another corner sit members of Congress who also seek to align themselves with a constituency for political and electoral support. These congressional members support legislation that advances the interest group's agenda. Occupying the third corner of