The 656th Field Artillery Battalion was constituted 11 March 1944 in the Army of the United States.
The 402nd Field Artillery Brigade has been absorbed into the 5th Armored Brigade. The 402nd was an AC/RC/NG unit based at Fort Bliss, Texas. The unit is responsible for training selected United States Army Reserve & Army National Guard units along the West coast. The unit was formerly designated as 3rd Brigade, 91st Infantry Division, and as the 402nd Brigade (Training). The Brigade is a subordinate unit of the First United States Army. From 1985 to 1996, the Brigade conducted artillery training at Fort Sill, Oklahoma.
The 17th Field Artillery Brigade, "America's Premier HIMARS Brigade", is an artillery brigade in the United States Army. It is currently based in Joint Base Lewis McChord Washington as Force Fires Headquarters for I Corps.
The 212th Fires Brigade is an artillery brigade in the United States Army. It was based at Fort Bliss, Texas and was a subordinate unit of III Corps.
The 214th Fires Brigade is an inactive field artillery brigade in the United States Army. The brigade inactivated on May 21, 2015, at Fort Sill, Oklahoma.
The 75th Field Artillery Brigade is an artillery brigade in the United States Army. It is currently based in Fort Sill, Oklahoma and supports the III Armored Corps. The brigade is officially tasked to train and prepares for combat; on orders deploys to any area of operations to plan, synchronize and execute combined, and joint fires and effects. Integrate attached ground and air maneuver forces and on order function as a maneuver headquarters in support of full spectrum operations.
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 2nd Field Artillery Regiment is a field artillery regiment in the United States Army. Currently a parent regiment under the U.S. Army Regimental System, the regiment has a single active battalion, the 2nd Battalion, 2nd Field Artillery, assigned to the 428th Field Artillery Brigade at the U.S. Army Field Artillery, Fort Sill, OK. Their long history is currently represented by the 2nd Field Artillery Mascots
The 2nd Air Defense Artillery Regiment is an air defense artillery regiment of the United States Army, first formed in 1821 as a field artillery unit.
The 22nd Field Artillery Regiment is a Field Artillery regiment of the United States Army.
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 105 mm howitzer and the M777A2 155 mm howitzer. The 5th Battalion is assigned to the 3rd Brigade Combat Team, 10th Mountain Division at Fort Johnson, Louisiana. The 4th Battalion was inactivated on 14 August 2014.
The 40th 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 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 36th 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. It is part of the Field Artillery Branch.
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 428th Field Artillery Brigade is a training unit under the United States Field Artillery School, a formation under TRADOC. The brigade trains all officers and enlisted personnel from the U.S. Army and U.S. Marine Corps as well as allied nation military personnel in field artillery core competencies in order to provide proficient integrators of lethal and non-lethal fires to the operational force.
The 72nd Field Artillery Brigade is an AC/RC unit based at Joint Base McGuire-Dix-Lakehurst, New Jersey. The unit is responsible for training selected United States Army Reserve and National Guard units along the East coast. The brigade is a subordinate unit of First Army Division East, First United States Army.
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United States Army 
Field artillery