Constituted 5 July 1918 in the National Guard as the 30th Field Artillery and assigned to the
10th Division

Organized 10 August 1918 at Camp Funston, Kansas

Demobilized 5 February 1919 at Camp Funston, Kansas

Reconstituted 24 March 1923 in the Regular Army as the 30th Field Artillery

Activated 4 June 1941 at Camp Roberts, California

Regiment broken up 18 May 1944 and its elements reorganized and redesignated as follows:

Headquarters and Headquarters Battery as Headquarters and Headquarters Battery, 30th Field Artillery Group
1st and 2d Battalions as the 521st and 550th Field Artillery Battalions, respectively

After 18 May 1944 the above units underwent changes as follows:

Headquarters and Headquarters Battery, 30th Field Artillery Group, inactivated 31 July 1946 in Germany
Activated 20 March 1951 at Camp Polk, Louisiana
Inactivated 1 June 1958 in Germany; concurrently redesignated as Headquarters and Headquarters Battery, 30th Artillery Group

521st Field Artillery Battalion redesignated 1 May 1945 as the 30th Field Artillery Battalion
Inactivated 9 February 1949 at Fort Bragg, North Carolina
Activated 22 February 1950 at Fort Bragg, North Carolina
Inactivated 25 June 1958 at Fort Lewis, Washington

550th Field Artillery Battalion inactivated 8 February 1946 at Camp Swift, Texas
Headquarters and Headquarters Battery, 550th Field Artillery Battalion, redesignated 1 August 1946 as the 550th Field Artillery Battery and activated at Fort Benning, Georgia (organic elements concurrently disbanded)
Battery inactivated 23 November 1948 at Fort Benning, Georgia
Activated 1 February 1952 at Fort Bragg, North Carolina
Redesignated 25 October 1952 as the 550th Field Artillery Rocket Battery
Reorganized and redesignated 15 March 1957 as Headquarters, Headquarters and Service Battery,
550th Field Artillery Rocket Battalion (Battery A and Medical Detachment, 550th Field Artillery
Battalion, concurrently reconstituted in the Regular Army, redesignated as Battery A and Medical
Detachment, 550th Field Artillery Rocket Battalion, and activated at Fort Bliss, Texas)
Battalion inactivated 25 June 1956 at Fort Bliss, Texas

Headquarters and Headquarters Battery, 30th Artillery Group; 30th Field Artillery Battalion; and the
550th Field Artillery Rocket Battalion consolidated, reorganized, and redesignated 31 July 1959 as the 30th Artillery, a parent regiment under the Combat Arms Regimental System

Redesignated 1 September 1971 as the 30th Field Artillery

Withdrawn 16 July 1988 from the Combat Arms Regimental System, reorganized under the United States Army Regimental System, and transferred to the United States Army Training and Doctrine Command