The 201st Field Artillery Regiment is a West Virginia Army National Guard regiment. It currently perpetuates the Virginia elements of the Maryland and Virginia Rifle Regiment, which fought in the American Revolution. Organized by Colonel Morgan Morgan in Bunker Hill, West Virginia in 1735, it is the oldest continually-active regiment in the U.S. Army and the oldest in the West Virginia Army National Guard. Units also saw action on both sides of the American Civil War, with many companies of the regiment combined to form the Union Army's 1st West Virginia Infantry.
The 73rd Cavalry Regiment is a Cavalry Regiment in the United States Army, first formed in 1941. The three squadrons of the 73rd Cavalry Regiment provide reconnaissance, surveillance, and target acquisition (RSTA) to the Brigade Combat Teams of the 82nd Airborne Division. 3rd Squadron is assigned to 1st Brigade, 1st Squadron is assigned to 2nd Brigade, and 5th Squadron is assigned to 3rd Brigade.
The 150th Cavalry Regiment is a regiment of the West Virginia Army National Guard, with troops in multiple locations throughout West Virginia and one troop in Sanford, North Carolina. It was originally formed as Greenbrier County militia, fighting for Virginia in the American Revolutionary War. During the American Civil War, companies of the regiment loyal to the recognized Union state government in Wheeling were later combined to form the Union Army's 5th and 9th West Virginia Infantry regiments, aiding in the defeat of Confederate troops in West Virginia, Ohio and Virginia.
The 33rd Armor Regiment was an armored regiment in the United States Army first formed in 1941. In 2005, the 33rd Armor was redesignated 33rd Cavalry Regiment. The 1st Squadron, 33rd Cavalry Regiment, a part of the 3rd Brigade Combat Team, 101st Airborne Division, carries on the lineage of 33rd Armor Regiment.
The 34th Armor Regiment is an armored regiment of the United States Army formed in 1941.
The 163rd Infantry Regiment is a regiment of the Montana National Guard. It went overseas with the 41st Infantry Division in World War II.
The 3rd Field Artillery Regiment is a field artillery regiment of the United States Army, first formed in 1812, although regimental units trace their lineages as far back as 1794. Based on the service of these antecedents, the regiment claims battle honors for the War of 1812, the Seminole campaign, the Mexican War, the Civil War, the Spanish–American War, and the Philippine Insurrection. The regiment served with the 6th Division during World War I, with the 5th Division, 6th Division and 2d Cavalry Division between the world wars, and with the 9th Armored Division during and after World War II. Since 1961, the regiment has been a parent regiment under the Combat Arms Regimental System and the U.S. Army Regimental System, with regimental elements serving with the 1st, 6th, and 8th Infantry Divisions; 2nd and 3rd Armored Divisions; 1st Cavalry Division; 194th Armored Brigade; and various field artillery brigades and groups. Three regimental battalions are currently active: the 2nd Battalion in the 1st Armored Division and the 1st Battalion and 5th Battalion, both a part of the 17th Field Artillery Brigade.
The 133rd Field Artillery Regiment is a parent field artillery regiment of the United States Army National Guard. It is currently represented in the Texas Army National Guard by the 1st, 3rd, and 4th Battalions.
The 81st Armor Regiment currently has two active battalions, the 1st and 3rd. The 1st Battalion is assigned to the 194th Armor Brigade, Fort Moore, GA. Responsible for training enlisted Armor Crewmen and Armor Maintainers for the US Army and US Marines on armored warfare vehicles such as the M1 Abrams Main Battle Tank, and the M2 Bradley Fighting Vehicle platform. The 3rd Battalion is assigned to the 199th Infantry Brigade and is currently the Provost battalion for the Maneuver Center of Excellence, Fort Moore, GA.
The 300th Field Artillery Regiment is a Field Artillery regiment of the United States Army.
The 16th Cavalry Regiment is a Regiment of the United States Army first established in 1916. Currently the regiment includes three squadrons, all assigned to the 316th Cavalry Brigade, Fort Moore, Georgia, supporting the United States Army Armor School.
The 38th Cavalry Regiment was a regiment of the United States Army first established in 1916. It was the regimental affiliate of three reconnaissance and surveillance squadrons that were part of battlefield surveillance brigades.
The 61st Cavalry Regiment is a regiment of the United States Army first established in 2004. The 1st, 2nd and 4th Squadrons are inactive. The 3rd Squadron is assigned to the 2nd Brigade Combat Team, 4th Infantry Division.
The 89th Cavalry Regiment is a Regiment of the United States Army first established in 1940.
The 98th Cavalry Regiment is a parent regiment of the United States Army established in 2006. It is represented in the Mississippi Army National Guard by the 1st Squadron, 98th Cavalry, an element of the 155th Armored Brigade Combat Team.
The 102nd Cavalry Regiment is a regiment of the United States Army first established in 1913 and which saw service in World War II.
The 104th Cavalry Regiment is a Regiment of the United States Army first established in 1921. Troop A, 1st Squadron is one of several National Guard units with colonial roots and campaign credit for the War of 1812.
The 105th Cavalry Regiment is a regiment in the United States Army National Guard.
The 117th Military Police Battalion Combat Support (CS), is a military police battalion of the Tennessee Army National Guard (TNARNG) and the United States Army Military Police Corps with its headquarters located in Athens, Tennessee. When not mobilized or deployed, the 117th MP BN is task organized as a subordinate battalion of the Tennessee Army National Guard's 194th Engineer Brigade located in Jackson, Tennessee.
United States 
