The 129th Field Artillery Regiment is a regiment of the Field Artillery Branch of the United States Army. Only the 1st Battalion is constituted as an active unit, and is assigned to the Missouri Army National Guard, with its headquarters in Maryville, Missouri, and has subordinate elements located in armories in Albany, Independence, and Chillicothe, Missouri. As a part of the Missouri National Guard, the 1st Battalion, 129th FA is a subordinate unit of the 130th Field Artillery Brigade located in Manhattan, Kansas.
The 6th Field Artillery Regiment is a Field Artillery Branch regiment of the United States Army first activated in 1907 from numbered companies of artillery. It was first organized with two battalions.
The 10th Field Artillery Regiment was a Field Artillery regiment of the United States Army first formed in 1916. Due to the inactivation of the Third Armored Brigade Combat Team, 3rd Infantry Division, the last active battalion of the 10th Field Artillery Regiment was inactivated in December 2015.
The 13th Field Artillery Regiment is a field artillery regiment of the United States Army first formed in 1916.
The 17th Field Artillery Regiment is a field artillery regiment of the United States Army first formed in 1916.
The 20th Field Artillery Regiment is a field artillery regiment of the United States Army constituted 1 July 1916 in the Regular Army. It served in France during the First World War with the 5th Division, at St. Mihiel and Lorraine before inactivation on 5 September 1921 at Camp Bragg, North Carolina.
The 21st Field Artillery Regiment is a field artillery regiment of the United States Army first formed in 1916. A parent regiment under the U.S. Army Regimental System, all components of the regiment are currently inactive. The 1st Battalion 21st Field Artillery Regiment, the regiment's final active component, deactivated on June 12, 2014.
The 26th Field Artillery Regiment is a field artillery regiment of the United States Army first constituted 5 July 1918 in the National Army (USA).
The 27th Field Artillery Regiment is a field artillery regiment of the United States Army, first Constituted in 1918 in the National Army (USA).
The 29th Field Artillery Regiment is a field artillery regiment of the United States Army, first constituted in 1918 in the National Army (USA).
The 31st Field Artillery Regiment is a field artillery regiment of the United States Army, first Constituted in 1918 in the National Army (USA). The 1st Battalion, 31st Field Artillery, was constituted 5 July 1918 in the National Army as the 31st Field Artillery and assigned to the 11th Division. The "Proud American" Battalion was organized at Camp George G. Meade, Maryland 6 August 1918 but relieved thereafter from its assignment to the 11th Division on 30 September 1918. The unit demobilized 9 December 1918 at Camp George G. Meade, Maryland. On 22 July 1929, 31st FA was reconstituted in the Regular Army and assigned to the 2nd Division but was, once again, later relieved on 1 January 1930 from its assignment to the 2nd Division. The "Proud American" Battalion was subsequently assigned to the 7th Division on 1 July 1940 and activated at Camp Ord, California where it was reorganized and re-designated as the 31st Field Artillery Battalion on 1 October 1940. It underwent another reorganization and re-designation on 1 July 1957 as the 31st Field Artillery, "Always First," which was a parent regiment under the Combat Arms Regimental System. 31st FA was then withdrawn from the Combat Arms Regimental System 16 March 1989, reorganized under the United States Army Regimental System, and transferred to the United States Army Training and Doctrine Command (TRADOC). The unit was re-designated as the 31st Field Artillery Regiment on 1 October 2005 and began the reactivation process on 1 October 2010, attaining operational capacity under the 434th Field Artillery Brigade and activated on 11 January 2011. The "Proud American" Battalion is credited with participating in multiple campaigns in World War II and the Korean War. It has been distinguished with several decorations, to include the Philippine Presidential Unit Citation and the Republic of Korea Presidential Unit Citation that was awarded on three separate occasions.
The 41st Field Artillery Regiment is a field artillery regiment of the United States Army.
The 42nd Field Artillery Regiment is a field artillery regiment of the United States Army, first Constituted 5 July 1918 in the National Army (USA).
The 77th Field Artillery Regiment is a field artillery regiment of the United States Army. First constituted 1916 in the Regular Army as a cavalry regiment. Reorganized in 1917 as field artillery and given its current designation.
The 79th Field Artillery Regiment is a field artillery regiment of the United States Army. First constituted 1916 in the Regular Army.
The 43rd Air Defense Artillery Regiment is an air defense artillery regiment of the United States Army first constituted 1918 in the Regular Army.
The 78th Field Artillery Regiment is a field artillery regiment of the United States Army. Initially activated on 1 July 1916, the 78th Field Artillery Battalion did not see action in World War I, but would later be reactivated at the start of World War II and participate in the campaigns for Algeria-French Morocco, Sicily, Normandy, Northern France, Ardennes-Alsace, Central Europe, and the Rhineland with the 2d Armored Division. The 78th Artillery Battalion's six batteries were reorganized into separate battalions in 1957, with the 1st Battalion, 78th Field Artillery being the only remaining active unit of the 78th Field Artillery. The 1st Battalion, 78th Field Artillery is assigned to the 428th Field Artillery Brigade, supporting the Fires Center of Excellence mission through the conduct of Initial Entry Training in order to provide the Army with combat ready Field Artillery Soldiers. The 1st Battalion, 78th Field Artillery conducts Advanced Individual Training for the 13-series Military Occupational Specialties (MOS) of 13B, 13F, 13J, 13M, and 13R.
The 320th Field Artillery Regiment is a field artillery regiment of the United States Army. A parent regiment under the U.S. Army Regimental System, the 320th FAR currently has two active elements in the 101st Airborne Division : 1st Battalion, 320th FAR "Top Guns" in 2nd Brigade Combat Team; and 3rd Battalion, 320th FAR "Red Knight Rakkasans" in 3rd Brigade Combat Team. The regiment served with the 82nd Airborne Division during World Wars I and II, and regimental elements have served with the 82nd and 101st Airborne Division, the 193rd Infantry Brigade and the Berlin Brigade, and conducted combat operations in the Dominican Republic, Vietnam, Grenada, Operations Desert Shield and Storm, and the Global War on Terror.
The 321st Field Artillery Regiment is a field artillery regiment of the United States Army. A parent regiment under the U.S. Army Regimental System, the 321st FAR currently has one active battalion, the 3rd Battalion, 321st FAR, assigned to the 18th Field Artillery Brigade at Fort Bragg, NC. The battalion is equipped with M142 HIMARS.
The regiment served with the 82nd Division during World War I and with the 101st Airborne Division during World War II. Elements of the regiment have served with the 82nd and 101st Airborne Divisions in Vietnam, and with the 82nd Airborne Division and 18th Field Artillery Brigade during the Global War on Terrorism.
The 333rd Field Artillery Regiment is a regiment of the Field Artillery Branch of the United States Army.
United States 
