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.

The history of the 1st Infantry Division, nicknamed "The Fighting First" or "The Big Red One" after its distinctive shoulder patch, is one of the richest in the United States Army. They have provided continuous service to the country since their organization in 1917.

A summary history of the 509th Parachute Infantry Regiment - the first to jump into combat.