The 1st Armored Division, nicknamed "Old Ironsides," is the oldest and most recognizable armor division in the United States Army. It was the first tank unit to see combat in World War II. Old Ironsides is still serving America as part of III Corps, stationed at Fort Bliss in El Paso, Texas. This is a short history of the 1st Armored Division.

History of the 1st Cavalry Division from 1833 to present. View photos and video footage of the 1st Cavalry Division during WWII, including images of the unit during horse-mounted expeditions into Mexican territory.