3-6 ADA trains Initial Entry Soldiers on the Patriot weapon system, in Soldierization and on Warrior Tasks and Battle Drills, and provides Patriot training to Advanced U.S. and select Allied Soldiers in order to build the tactical, technical and Warrior skills required to contribute immediately upon arriving to their follow-on unit.
On order, serve as the Patriot strategic reserve for FORSCOM units and support the mobilization of designated Active and Reserve component units and conduct other missions in support of Air and Missile Defense transformation and the global war on terrorism.
Train and prepare junior Soldiers, Warrant Officers, and Officers to immediately contribute to the operational force while providing world-class training for Allied students as a part of the Fires Center of Excellence.
Take care of Soldiers and Families, Develop Leaders, Train U.S. and Allied Air Defenders, Focus on safe and realistic tactical training.
Continue to be the premier IET Battalion in the Army, composed of disciplined and well trained Cadre and Civilians who effectively transform new Soldiers into professional AMD Warriors. 3-6 ADA personnel model Army values, can think and solve problems, embody the Warrior Ethos, possess tactical and technical skills, and are flexible, adaptive, and confident.
- 8 March 1898 - Constituted in the Regular Army as Battery B, 6th Regiment of Artillery.
- 23 March 1989 - Organized at Fort McHenry, Maryland.
- 13 February 1901 - Reorganized and redesignated as the 61st Company, Coast Artillery, Artillery Corps.
- 2 February 1907 - Redesignated as the 61st Company, Coast Artillery Corps.
- 20 July 1916 - Redesignated as the 2nd Company, Fort Baker, California.
- 31 August 1917 - Redesignated as the 11th Company, Coast Defenses of San Francisco. November 1917 - Redesignated as Battery C, 1st Antiaircraft Battalion.
- 14 November 1918 - Redesignated as the 11th Company, Coast Defenses of San Francisco.
- 1 June 1922 - Redesignated as the 61st Company, Coast Artillery Corps.
- 1 July 1924 - Redesignated as Battery B, 6th Coast Artillery and inactivated in the Coast Defenses of San Francisco.
- 1 July 1939 - Activated at Fort Winfield Scott, California.
- 18 October 1944 - Reorganized and redesignated as Battery B, 6th Coast Artillery Battalion.
- 15 September 1945 - Redesignated as Battery F, Harbor Defenses of San Francisco.
- 10 June 1946 - Inactivated at Fort Winfield Scott, California.
- 28 June 1950 - Redesignated as Battery B, 6th Antiaircraft Artillery Battalion.
- 4 October 1950 - Redesignated as Battery B, 6th Antiaircraft Artillery Automatic Weapons Battalion, an element of the 6th Infantry Division, and activated at Fort Ord, California.
- 3 April 1956 - Inactivated at Fort Ord, California and relieved from assignment to the 6th Infantry Division.
- 1 September 1963 - Consolidated with Headquarters and Headquarters Battery, 3d Howitzer Battalion, 6th Artillery (activated and organized in 1901), and consolidated unit designated as Headquarters a Headquarters Battery, 3d Howitzer Battalion, 6th Artillery (organic elements constituted 2 June 1958 and activated 25 June 1958).
- 1 April 1968 - Redesignated as the 3d Battalion, 6th Artillery.
- 10 April 1970 - Inactivated at Fort Lewis, Washington.
- 1 September 1971 - Redesignated (less the former Headquarters and Headquarters Battery, 3d Howitzer Battalion, 6th Artillery) as the 3d Battalion, 6th Air Defense Artillery (former Headquarters and Head Battery, 3d Howitzer Battalion, 6th Artillery, concurrently redesignated as the 3d Battalion, 6th Field Artillery--hereafter separate lineage).
- 13 September 1972 - 3d Battalion, 6th Air Defense Artillery activated at Fort Bliss, Texas.
- 21 December 1975 - Inactivated at Fort Bliss, Texas.
- 16 June 1987 - The Battalion once again joined the rolls of Air Defense Artillery units when Staff and Faculty Battalion, the School Brigade, was redesignated as the 3rd Battalion, 6th Air Defense Artillery and was organized into five batteries administering to nine departments and directorates of the U.S. Army Air Defense Artillery School.
- Streamer without inscription
- Central Europe
- New guinea
- Bismark Archipelago
- Vietnam Counteroffensive, Phase II
- Vietnam Counteroffensive, Phase III
- Tet Counteroffensive
- Vietnam Counteroffensive, Phase IV
- Vietnam Counteroffensive, Phase V
- Vietnam Counteroffensive, Phase VI
- Tet 69/Counteroffensive
- Summer-Fall 1969
- Winter-Spring 1970
Republic of Vietnam Cross of Gallantry with Palm, streamer embroidered "VIETNAM 1966-1970" (3d Battalion, 6th Artillery, cited: DA GO 54, 1974)
Battery A additionally entitled to Valorous Unit Award, streamer embroidered "DAK TO-BEN HET" (Battery A, 3d Battalion, 6th Artillery, cited: DA GO 48, 1971)