The 83rd Field Artillery Regiment is a regiment of the Field Artillery Branch of the United States Army.
The 12th Field Artillery Regiment is a unit of the United States Army.
The 210th Field Artillery Brigade, also known as "the Thunder," is a U.S. Army field artillery brigade forward deployed in the Republic of Korea. Its mission is "On order, 210th Field Artillery Brigade provides fires in support of ACC Operations and Ground Component Commander's (GCC’s) counter fire fight. On order, transitions to offensive operations." It provides fire support for Eighth United States Army. The brigade is based at Camp Casey, Republic of Korea and its assets include the M270A1 Multiple Launch Rocket System (MLRS).
The 5th Field Artillery Regiment was constituted as part of the Regular Army in January 1907. Individual battalions have lineages which date back further. Currently, it is a parent regiment under the U.S. Army Regimental System, with a single active battalion, the 1st Battalion, 5th Field Artillery, which is assigned to the 1st Brigade Combat Team, 1st Infantry Division at Fort Riley, Kansas.
The 52nd Air Defense Artillery Regiment is an air defense artillery regiment of the United States Army first organized in 1917 as a railway gun unit. It continued in that role unit 1943, when the regiment was broken in separate railway gun battalions, and in the following year the units were reorganized and redesignated as field artillery.
The 7th Air Defense Artillery Regiment is an air defense artillery regiment of the United States Army, first constituted in the Regular Army as the 7th Regiment of Artillery on 8 March 1898. The 6th and 7th U.S. Artillery Regiments were constituted on 8 March 1898, three weeks after the explosion of USS Maine in Havana, Cuba on 15 February 1898, as the United States' declaration of war on Spain and commencement of the Spanish–American War seemed imminent.
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 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 25th Field Artillery Regiment is a field artillery regiment of the United States Army, first constituted 5 July 1918 in the National Army (USA). Although the regiment did not see action during World War I, elements participated in World War II, Vietnam, Panama, the Gulf War, and the Global War on Terrorism. Currently the regiment one active battalion, a towed light artillery units equipped with the M119A3 105mm Howitzer and the M777A2 155mm Howitzer. The 5th Battalion is assigned to the 3rd Brigade Combat Team, 10th Mountain Division at Fort Polk, Louisiana. The 4th Battalion was inactivated on 14 August 2014.
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 41st Field Artillery Regiment is a field artillery regiment of the United States Army.
The 76th Field Artillery Regiment is a field artillery regiment of the United States Army. First formed as a cavalry regiment in 1916, the regiment was converted to field artillery in 1917, and served in Europe during World War I with the 3rd Division and as a separate battalion during World War II, as well as in peacetime at Fort Knox, KY, and Fort Devens, MA. Since 1959, 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 3rd Infantry Division in Germany and Operation Iraqi Freedom, with the 7th Infantry Division in Korea, and in the Army Reserve. No regimental elements are currently active.
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 43rd Air Defense Artillery Regiment is an air defense artillery regiment of the United States Army first constituted 1918 in the Regular Army.
The 44th Air Defense Artillery Regiment is an Air Defense Artillery regiment of the United States Army, first constituted in 1918 in the Regular Army during World War I. During World War II the unit served as the 54th Coast Artillery Regiment
The 1st Battalion, 79th Field Artillery is the only active duty element remaining of the 79th Field Artillery. First constituted on 1 July 1916 in the Regular Army as Troops A (Alpha) and B (Bravo) in the 21st Cavalry, their mission has changed greatly from their Cavalry days. The 1st Battalion, 79th Field Artillery is part of the 434th Field Artillery Brigade charged with the TRADOC mission of Basic Combat Training or BCT of new soldiers to the United States Army.
The 84th Field Artillery Regiment is a field artillery regiment of the United States Army.
The 333rd Field Artillery Regiment is a regiment of the Field Artillery Branch of the United States Army.
The 6th Air Defense Artillery Regiment is an air defense artillery regiment in the United States Army, first formed in 1898 as the 6th Regiment of Artillery. The 6th and 7th U.S. Artillery Regiments were constituted on 8 March 1898, three weeks after the explosion of the USS Maine in Havana, Cuba on 15 February 1898, as the United States' declaration of war on Spain and commencement of the Spanish–American War seemed imminent.
United States 
