4th Air Defense Artillery

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Constituted 1 June 1821 in the Regular Army as the 4th Regiment of Artillery and organized from new and existing units with Headquarters at Pensacola, Florida

Regiment broken up 13 February 1901 and its elements reorganized and redesignated as separate numbered companies and batteries of Artillery Corps

Reconstituted 1 July 1924 in the Regular Army as the 4th Coast Artillery

Activated (less Batteries B, E, and F) 18 August 1924 in the Canal Zone

(Battery C inactivated 31 July 1926 at Fort Amador, Canal Zone; Batteries B, C, and F activated 15 April 1932 at Fort Amador, Canal Zone; Battery E activated 1 February 1938 at Fort Amador, Canal Zone; Battery O activated 15 March 1940 in the Canal Zone; Batteries M and N activated 14 October 1940 in the Canal Zone; Battery L activated 27 January 1941 in the Canal Zone)

Regiment (less Headquarters and Headquarters Battery) disbanded 3 October 1944 in the Canal Zone

After 3 October 1944 the regiment underwent changes as follows:

Headquarters and Headquarters Battery, 4th Coast Artillery, reorganized and redesignated 1 November 1944 as Headquarters and Headquarters Battery, 4th Coast Artillery Group
Reorganized and redesignated 2 January 1945 as Headquarters and Headquarters Battery, Harbor Defenses of Balboa
Inactivated 15 January 1947 at Fort Amador, Canal Zone
Consolidated 28 June 1950 with Headquarters and Headquarters Battery, 4th Antiaircraft Artillery Group (see ANNEX 1), and consolidated unit designated as Headquarters and Headquarters Battery, 4th Antiaircraft Artillery Group
Activated 1 September 1951 at Ladd Air Force Base, Alaska|
Inactivated 15 January 1958 at Ladd Air Force Base, Alaska

Regiment (less Headquarters and Headquarters Battery) reconstituted 12 October 1944 in the Regular Army; concurrently consolidated with the 4th Coast Artillery Battalion (constituted 3 October 1944 in the Army of the United States) and consolidated unit designated as the 4th Coast Artillery Battalion
Activated 1 November 1944 in the Canal Zone
Disbanded (less Batteries A and D) 1 February 1946 in the Canal Zone (Batteries A and D concurrently redesignated as Batteries A and D, Harbor Defenses of Balboa; inactivated 15 January 1947 and 15 May 1950, respectively, in the Canal Zone) 4th Coast Artillery Battalion (less Batteries A and D) reconstituted 28 June 1950 in the Regular Army; concurrently battalion and Batteries A and D, Harbor Defenses of Balboa, redesignated as the 4th Coast Artillery (less Headquarters and Headquarters Battery)

Remainder of the 4th Coast Artillery reorganized 28 June 1950 as follows:

1st Battalion consolidated with the 4th Antiaircraft Artillery Automatic Weapons Battalion (active) (see ANNEX 2) and consolidated unit designated as the 4th Antiaircraft Artillery Automatic Weapons Battalion
Redesignated 31 July 1950 as the 4th Antiaircraft Artillery Battalion
Inactivated 16 June 1957 in England

2d Battalion redesignated as the 20th Antiaircraft Artillery Battalion
Redesignated 13 March 1952 as the 20th Antiaircraft Artillery Gun Battalion
Activated 8 May 1952 at Fort Lewis, Washington
Redesignated 1 May 1953 as the 20th Antiaircraft Artillery Battalion
Inactivated 20 December 1957 at Phantom Lake, Washington

3d Battalion redesignated as the 44th Antiaircraft Artillery Battalion
Redesignated 1 April 1951 as the 44th Antiaircraft Artillery Gun Battalion and activated at Fort Stewart, Georgia
Redesignated 3 August 1953 as the 44th Antiaircraft Artillery Battalion
Redesignated 22 March 1955 as the 44th Antiaircraft Artillery Missile Battalion
Inactivated 1 September 1958 at Niagara Falls, New York

Headquarters and Headquarters Battery, 4th Antiaircraft Artillery Group; 4th and 20th Antiaircraft Artillery Battalions; 44th Antiaircraft Artillery Missile Battalion; and the 4th Field Artillery Battalion (organized in 1907) consolidated, reorganized, and redesignated 1 September 1958 as the 4th Artillery, a parent regiment under the Combat Arms Regimental System

4th Artillery (less former 4th Field Artillery Battalion) reorganized and redesignated 1 September 1971 as the 4th Air Defense Artillery, a parent regiment under the Combat Arms Regimental System (former 4th Field Artillery Battalion concurrently reorganized and redesignated as the 4th Field Artillery - hereafter separate lineage)

Withdrawn 13 September 1986 from the Combat Arms Regimental System and reorganized under the United States Army Regimental System

ANNEX 1

Constituted 5 August 1942 in the Army of the United States as Headquarters and Headquarters Battery, 4th Antiaircraft Artillery Automatic Weapons Group

Activated 24 August 1942 at Camp Stewart, Georgia

Redesignated in the fall of 1943 as Headquarters and Headquarters Battery, 4th Antiaircraft Artillery Group

Disbanded 9 December 1944 in Italy

Reconstituted 28 June 1950 in the Regular Army

ANNEX 2

Constituted 16 December 1940 in the Regular Army as the 3d Battalion, 95th Coast Artillery

Activated 17 April 1941 at Camp Davis, North Carolina

Reorganized and redesignated 12 December 1943 as the 866th Antiaircraft Artillery Automatic Weapons Battalion

Inactivated 30 September 1946 in the Philippine Islands

Redesignated 13 October 1948 as the 4th Antiaircraft Artillery Automatic Weapons Battalion

Activated 15 January 1949 at Fort Bliss, Texas

4th Air Defense Artillery Honors

Campaign Participation Credit

War of 1812: Louisiana 1815

Indian Wars: Creeks; Seminoles; Modocs; Little Big Horn; Nez Perces; Bannocks

Mexican War: Palo Alto; Resaca de la Palma; Monterey; Vera Cruz; Cerro Gordo; Contreras; Chapultepec; Tamaulipas 1846

Civil War: Peninsula; Shiloh; Valley; Manassas; Antietam; Fredericksburg; Murfreesborough; Chancellorsville; Gettysburg; Chickamauga; Chattanooga; Wilderness; Spotsylvania; Cold Harbor; Petersburg; Shenandoah; Nashville; Appomattox; Virginia 1861; Virginia 1862; Virginia 1863; Virginia 1864; Virginia 1865; Mississippi 1862

World War II: American Theater, Streamer without inscription; Tunisia; Sicily; Naples-Foggia; Rome-Arno; Leyte; Ryukyus

Vietnam: Counteroffensive, Phase II; Counteroffensive, Phase III; Tet Counteroffensive; Counteroffensive, Phase IV; Counteroffensive, Phase V; Counteroffensive, Phase VI; Tet 69/Counteroffensive; Summer-Fall 1969; Winter-Spring 1970; Sanctuary Counteroffensive; Counteroffensive, Phase VII; Consolidation I

Armed Forces Expeditions: Grenada

Southwest Asia: Defense of Saudi Arabia; Liberation and Defense of Kuwait

Decorations

Presidential Unit Citation (Army) for VIETNAM 1967

Valorous Unit Award for SAIGON

Meritorious Unit Commendation (Army) for VIETNAM 1968-1969

Army Superior Unit Award for 1987

  
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