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.

A Summary History of the 4th Infantry Division, whose motto is "Steadfast and Loyal," is a heavy mechanized division in the United States Regular Army. The 4th ID has a storied history from WWI, WWII, Vietnam, and Operation Iraqi Freedom. Arguably the most modernized division in the army, the 4ID is currently organized with four Brigade Combat Teams (BCT), a fires brigade, an aviation brigade, and various supporting units.