The 150th Field Artillery Regiment is a field artillery unit in the Indiana Army National Guard.
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 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 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 8th Field Artillery Regiment is a field artillery regiment of the United States Army first formed in 1916. The regiment served in World War I, World War II, and Korea, and regimental units have served in Vietnam, Honduras, Panama, Operation Desert Storm, Operation Enduring Freedom and Operation Iraqi Freedom. Currently organized as a parent regiment under the U.S. Army Regimental System, the regiment's only active component is the 2nd Battalion, 8th Field Artillery Regiment, currently assigned to the 1st Infantry Brigade Combat Team, 11th Airborne Division and stationed at Fort Wainwright, Alaska.
The 9th Field Artillery Regiment is a field artillery regiment of the United States Army first formed in 1916. The regiment served in Hawaii during World War I, 3rd, 4th, 7th, and 9th Divisions between the world wars, and with 3rd Infantry Division during World War II and Korea. Since 1957, 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, 4th, 10th, 25th, 79th, 83rd, and 96th Infantry Divisions and various field artillery brigades and groups. The regiment's single active component, the 1st Battalion, 9th Field Artillery Regiment, is assigned to the 2nd Brigade Combat Team, 3rd Infantry Division and stationed at Fort Stewart, Georgia.
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 16th Field Artillery Regiment is a field artillery regiment of the United States Army. The regiment served with the 4th Division in World War II and with the 4th and 8th Divisions between the World Wars. As the 16th Armored Field Artillery Battalion, it served with the 9th Armored Division during World War II, and with the 2nd Armored Division after the war. Designated a parent regiment under the Combat Arms Regimental system, and later the U.S. Army Regimental System, since 1957, regimental elements have served with the 1st, 2nd and 4th Armored Divisions; the 4th, 8th, and 81st Infantry Divisions; and the 1st Cavalry Division. Regimental elements have participated in combat in Vietnam, and in Operation Iraqi Freedom. The regiment currently has a single active battalion, the 3rd Battalion, 16th Field Artillery, assigned to the 2nd Brigade Combat Team, 1st Cavalry Division and stationed at Fort Cavazos, Texas.
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 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 29th Field Artillery Regiment is a field artillery regiment of the United States Army, first constituted in 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 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 78th Field Artillery Regiment is a regiment of the Field Artillery Branch 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 377th Field Artillery Regiment is a field artillery regiment of the United States Army. A parent regiment under the U.S. Army Regimental System, the regiment's 2nd Battalion, 377th Field Artillery Regiment is assigned to the 2nd Infantry Brigade Combat Team (Airborne), 11th Airborne Division. Elements of the regiment have also served with the 101st Airborne Division and 82nd Airborne Division, and have seen service in World War II, Vietnam, and in both Iraq and Afghanistan during the Global War on Terror. The 1st and 3rd Battalions as well as Batteries D and E are Inactive.
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.
The 1st Infantry Division Artillery (DIVARTY) is the divisional artillery command and force fires headquarters for the 1st Infantry Division at Fort Riley, Kansas. The DIVARTY has served with the division from 1917 to 1939, 1940–1995, 1996–2005, and reactivated in October 2015. The unit has been stationed at Fort Riley, Kansas, and in Germany, and has seen combat in World War I, World War II, the Vietnam War, Operation Desert Storm, and Operation Iraqi Freedom. The DIVARTY provides a single proponent with the division for standardized fires certification and leader development while exemplifying effective mission command, and supporting the seamless cross-attachment of units with common procedures and a shared understanding of the fires warfighting capabilities.
United States 
