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 brown water navy or riverine force, refers to maritime forces specific to operations within inland waterways, including rivers, lakes, and coastal areas. Today, it broadly encompasses small patrol boats and gunboats deployed in coastal areas and on rivers, supported by larger motherships. While riverine units remain an element of the modern U.S. Navy, the phrase "brown-water navy" is most associated with its significant operational role in the Vietnam War, securing the Meko

Since the 1960s, the 2nd Infantry Division has been responsible for defending South Korea against potential invasion from North Korea. This is the History of the 2nd Infantry Division - the Warrior Division.

The 11th Infantry Brigade has a varied but significant history. They are best known for their service as a light infantry brigade in the Vietnam War, serving as part of the 23rd Infantry Division, the Americal. This is the History of the 11th Light Infantry Brigade.

The 3d Armored Division was a heavy mechanized division of the United States Army that served in World War Two, the Cold War defense of Western Europe, and the Persian Gulf War. This is a short history of the Spearhead Division, the 3rd Armored Division.

The 2nd Cavalry can trace its lineage back to the early part of the 19th century. They’ve been named Dragoons, Armored Cavalry, and Stryker Cavalry. Despite the name changes, the Regiment has the distinction of being the longest continuously serving mounted unit in the United States Army.