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 4th Field Artillery Regiment is a Field Artillery Branch regiment of the United States Army first formed in 1907.
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 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 regiment's last active element, 1st Battalion 21st Field Artillery Regiment, inactivated on 12 June 2014.
The 22nd Field Artillery Regiment is a Field Artillery regiment of the United States Army.
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Field Artillery, "Always First," which was a parent regiment under the Combat Arms Regimental System. 31st FA was then withdrawn from the Combat Arms Regimental System 16 March 1989, reorganized under the United States Army Regimental System, and transferred to the United States Army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 34th 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 79th Field Artillery Regiment is a field artillery regiment of the United States Army. First constituted 1916 in the Regular Army.
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 38th Field Artillery Regiment is a field artillery regiment of the United States Army.
The 80th Field Artillery Regiment is a field artillery regiment of the United States Army.
The 81st Field Artillery Regiment is a field artillery regiment of the United States Army.
The 84th Field Artillery Regiment is a field artillery regiment of the United States Army.
The 75th Field Artillery Regiment is a field artillery regiment of the United States Army.
The 300th Field Artillery Regiment is a Field Artillery regiment of the United States Army.
The 13th Coast Artillery Regiment was a Coast Artillery regiment in the United States Army. Elements of the regiment served during World War II in the Harbor Defenses of Pensacola, HD Key West, HD Galveston, HD Charleston, Temporary HD of New Orleans, and in Bora Bora in the South Pacific. The regiment was broken up and its elements redesignated on 31 August 1944 as part of an Army-wide reorganization.
United States 
