Organized 12 October 1881 in the California National Guard at San Diego as the San Diego City Guard

Reorganized and redesignated 22 July 1885 as Company B, 7th Infantry Battalion

Reorganized and redesignated 5 May 1888 as Company B, 7th Infantry Regiment

Redesignated 8 February 1890 as Company B, 9th Infantry Regiment; San Diego Rifles (organized 7 September 1899) concurrently reorganized and redesignated as Company A, 9th Infantry Regiment

Companies A and B, 9th Infantry Regiment, consolidated and redesignated 7 December 1895 as Company B, 7th Infantry Regiment

Mustered into Federal service 9 May 1898 at the Presidio of San Francisco as Company B, 7th California Volunteer Infantry; mustered out of Federal service 2 December 1898 at Los Angeles

Reorganized 29 June 1909 in the California National Guard at San Diego as the 5th Company, 1st Coast Defense Command, Coast Artillery Corps

Drafted into Federal service 5 August 1917

Reorganized and redesignated 31 August 1917 as the 5th Company, Coast Defenses of San Diego

Reorganized and redesignated 15 January 1918 as Company B, 2d Antiaircraft Battalion

Demobilized 15 January 1919 at Camp Dix, New Jersey

Former 5th Company and 8th Company (see ANNEX 1), 1st Coast Defense Command, Coast Artillery Corps, expanded and reorganized 10 February – 20 April 1921 in the California National Guard at San Diego as the 5th, 6th, 7th, and 8th Companies, 1st Coast Defense Command, Coast Artillery Corps

Expanded and redesignated 9 January 1922 as the San Diego Fort Command, 1st Coast Defense Command, Coast Artillery Corps, with the 463d, 464th, 465th, and 466th Companies assigned

Reorganized and redesignated 6 October 1923 as the 2d Battalion, 250th Coast Artillery

Consolidated 1 November 1924 with Batteries I and K, 250th Coast Artillery (see ANNEXES 2 and 3), to form the 251st Coast Artillery, with Headquarters at San Diego

251st Coast Artillery inducted into Federal service 16 September 1940 at home stations

Regiment broken up 1 March 1944 and its elements reorganized and redesignated as follows:

Headquarters Battery as Headquarters and Headquarters Battery, 251st Antiaircraft Artillery Group

1st Battalion as the 746th Antiaircraft Artillery Gun Battalion

Band as the 288th Army Band

(Headquarters and the 2d Battalion as the 951st Antiaircraft Artillery Automatic Weapons Battalion – hereafter separate lineage)

After 1 March 1944 the above units underwent changes as follows:

        Headquarters and Headquarters Battery, 251st Antiaircraft Artillery Group,      inactivated 29 December 1945 at Camp Stoneman, California

        Reorganized and Federally recognized 24 February 1947 at San Diego as         Headquarters and Headquarters Battery, 114th Antiaircraft Artillery Brigade

746th Antiaircraft Artillery Gun Battalion inactivated 15 January 1946 at Camp Stoneman, California
Headquarters and Headquarters Battery reorganized and Federally recognized
24 February 1947 at San Diego as Headquarters and Headquarters Battery, 251st Antiaircraft Artillery Group (remainder of battalion – hereafter separate lineages)

288th Army Band reorganized and redesignated 1 June 1944 as the 288th Army Ground Forces Band
Inactivated 25 January 1946 in the Philippine Islands
Reorganized and Federally recognized 14 November 1947 at San Diego as the 93d Army Band
Ordered into active Federal service 15 October 1950 at San Diego
(93d Army Band [NGUS] organized and Federally recognized 26 January 1953 at San Diego)
Released 24 February 1955 from active Federal service and reverted to state control; Federal recognition concurrently withdrawn from the 93d Army Band (NGUS)

        Headquarters and Headquarters Battery, 114th Antiaircraft Artillery Brigade; Headquarters and Headquarters Battery, 251st Antiaircraft Artillery Group; and the 93d Army Band consolidated 1 October 1959 with the 183d Antiaircraft Artillery Detachment (organized and Federally recognized 12 April 1956 at San Diego) and consolidated unit reorganized and redesignated as Headquarters and Headquarters Battery, 114th Artillery Brigade

Converted and redesignated 1 March 1963 as Headquarters and Headquarters Company, 3d Brigade, 40th Armored Division

Reorganized and redesignated 29 January 1968 as Headquarters and Headquarters Company, 111th Armor Group; concurrently relieved from assignment to the 40th Armored Division

Reorganized and redesignated 1 November 1971 as the 111th Area Headquarters

Reorganized and redesignated 1 April 1972 as Headquarters and Headquarters Detachment, 111th Area Headquarters

Reorganized and redesignated 13 January 1974 as Headquarters and Headquarters Company, 2d Brigade, 40th Infantry Division; location concurrently changed to Los Alamitos

Location changed 1 January 1981 to San Diego
Ordered into active Federal service 1 May 1992 at San Diego; released from active Federal service 9 May 1992 and reverted to state control

Ordered into active Federal service 24 May 2003 at San Diego; released from active Federal service 23 May 2004 and reverted to state control

Ordered into active Federal service 9 August 2005 at San Diego; released from active Federal service 16 February 2006 and reverted to state control

Reorganized and redesignated 1 September 2007 as Headquarters, 40th Infantry Brigade Combat Team

Redesignated 1 September 2008 as Headquarters, 79th Infantry Brigade Combat Team

ANNEX 1

Organized 11 May 1910 in the California National Guard at San Diego as the 8th Company, 1st Coast Defense Command, Coast Artillery Corps

Drafted into Federal service 5 August 1917

Reorganized and redesignated 31 August 1917 as the 6th Company, Coast Defenses of San Diego

Reorganized and redesignated 1 January 1918 as Battery B, 65th Artillery (Coast Artillery Corps)

Demobilized 28 February 1919 at Camp Lewis, Washington

ANNEX 2

        Organized 6 October 1916 in the California National Guard at Long Beach as the 23d Company, 2d Coast Defense Command, Coast Artillery Corps

Drafted into Federal service 5 August 1917

 

Reorganized and redesignated 4 September 1917 as the 11th Company, Lost Angeles Coast Defense Corps

Reorganized and redesignated 1 February 1918 as the 14th Company, Coast Defenses of Los Angeles

Redesignated 25 June 1918 as the 11th Company, Coast Defenses of Los Angeles

Demobilized 24 December 1918 at Fort MacArthur, California

Reorganized and Federally recognized 28 November 1921 in the California National Guard at Long Beach as the 467th Company, Coast Artillery Corps

Reorganized and redesignated 6 October 1923 as Battery I, 250th Coast Artillery

ANNEX 3

        Organized 24 September 1916 in the California National Guard at San Pedro as the 16th Company, 2d Coast Defense Command

Drafted into Federal service 5 August 1917

Reorganized and redesignated 4 September 1917 as the 5th Company, Los Angeles Defense Command

Reorganized and redesignated 20 January 1918 as Battery D, 2d Antiaircraft Battalion

Demobilized 19 January 1919 at Camp Dix, New Jersey

Reorganized and Federally recognized 6 April 1922 in the California National Guard at San Pedro as the 468th Company, Coast Artillery Corps

Reorganized and redesignated 6 October 1923 as Battery K, 250th Coast Artillery

HOME STATION: San Diego (less detachment at Modesto)

CAMPAIGN PARTICIPATION CREDIT

DECORATIONS

        Philippine Presidential Unit Citation, Streamer embroidered 17 OCTOBER 1944 TO
4 JULY 1945

 

 

BY ORDER OF THE SECRETARY OF THE ARMY: