The 4th Infantry Regiment is an infantry regiment in the United States Army. It has served in the United States Armed Forces for approximately 200 years...

The 3rd United States Infantry Regiment is a regiment of the United States Army. It currently has three active battalions, and is readily identified by...

The 9th Infantry Regiment ("Manchu") is a parent infantry regiment of the United States Army. Unrelated units designated the 9th Infantry Regiment were organized...

4th United States Colored Infantry Regiment was an African-American unit of the Union Army during the American Civil War. A part of the United States...

The 22nd Infantry Regiment is a parent regiment of the United States Army. Currently the 2nd Battalion is active, with the regimental colors residing...

8th Infantry Regiment of the United States, also known as the "Fighting Eagles", is an infantry regiment in the United States Army. The 8th Infantry participated...

The 12th Infantry Regiment is a unit of the United States Army. The 12th Infantry has fought in seven wars from the Civil War to the War in Afghanistan...

41st Infantry Regiment is a regiment of the United States Army. Its 1st Battalion is currently assigned to the 2nd Stryker Brigade Combat Team, 4th Infantry...

5th Infantry Regiment (nicknamed the "Bobcats") is an infantry regiment of the United States Army that traces its origins to 1808. The 5th Infantry Regiment...

The 4th Infantry Division is a division of the United States Army based at Fort Carson, Colorado. It is composed of a division headquarters battalion,...

The 7th Infantry Regiment is an infantry regiment in the United States Army. In its 200-year history it has participated in 12 wars, been awarded 78 campaign...

38th Infantry Regiment ("Rock of the Marne") is a United States Army infantry regiment. The first 38th United States Colored Infantry Regiment served...

The 4th Cavalry Regiment is a United States Army cavalry regiment, whose lineage is traced back to the mid-19th century. It was one of the most effective...

506th Infantry Regiment, originally designated the 506th Parachute Infantry Regiment (506th PIR) during World War II, is an airborne light infantry regiment...

160th Infantry Regiment (Seventh California) is an infantry regiment of the United States Army. The 1st Battalion, 160th Infantry is a light infantry component...

The 20th Infantry Regiment ("Sykes' Regulars") is a United States Army infantry regiment. Currently only the 5th Battalion of the 20th Infantry still exists...

The 17th Infantry Regiment is a United States Army infantry regiment. An earlier regiment designated the 17th Infantry Regiment was organized on 11 January...

The 27th Infantry Regiment, nicknamed the "Wolfhounds", is an infantry regiment of the United States Army established in 1901, traditionally aligned with...

508th Infantry Regiment (508th PIR, 508th AIR, or 508th IR) ("Red Devils" or "Fury from the Sky") is an airborne infantry regiment of the United States Army...

The 87th Infantry Regiment is an infantry regiment in the United States Army. The regiment's 1st and 2nd Battalions are light infantry units assigned...

The 39th Infantry Regiment is a parent regiment in the United States Army. Originally organized for service in World War I, the 39th fought in most of...

(503rd AIR), is an airborne infantry regiment of the United States Army. The regiment served as an independent regiment in the Pacific War during World...

The 2nd Infantry Regiment is an infantry regiment in the United States Army that has served for more than two hundred years. It was constituted on 12 April...

an airborne infantry regiment of the United States Army, one of four infantry regiments of the 82nd Airborne Division of the United States Army, with a...

The 21st Infantry Regiment ("Gimlet") is a United States Army infantry regiment. The 1st Battalion currently exists as part of 2nd Infantry Brigade Combat...

The 6th Infantry Regiment ("Regulars") was formed 11 January 1812. Zachary Taylor, later the twelfth President of the United States, was a commander of...

10th Infantry Regiment is a regiment in the United States Army first formed in 1855. Formerly a standard line regiment that served the United States in...

The 187th Airborne Infantry Regiment (Rakkasans) is a regiment of the 101st Airborne Division. As of 2012[update], the 1st and 3rd battalions are the...

The 31st Infantry Regiment ("Polar Bears") of the United States Army was formed on 13 August 1916, and was part of USAFFE's Philippine Division during...

200th Infantry. Most of this section is taken from Army Lineage Series: Air Defense Artillery by Janice E. McKenney. The 200th Infantry Regiment traces...