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, Richmond, California a population of 19,807 and is roughly 66% African-American. The Latino community has been growing in the Iron Triangle since the late 1980s, making up about 35 percent of Iron Triangle's population. The first Mexican community in Richmond started in the lower part of the Iron Triangle at the bottom of Macdonald Ave below 5th St and at A St and B St in the 1920s. Atchison, Topeka and Santa Fe Railway began bringing Mexican workers to work in the Santa Fe Rail Yard in Richmond. The Railroad also built a Housing Project for Mexican railroad workers called Section housing