Constituted and activated at
Fort Moultrie 9 March 1918 as the 61st Artillery (CAC) from existing Regular and National Guard companies. Demobilized at
Camp Upton, New York, 28 February 1919. Reconstituted 1 July 1921 as the 1st Antiaircraft Battalion and organized at
Fort Monroe, Virginia. On June 1, 1922, the 61st Artillery Battalion (AA) (CAC) was renamed. Redesignated 61st Coast Artillery (AA) Regiment 30 June 1924 and reorganized as follows- • HHB • 1st BN HHB&CT • A Battery • B Battery • C Battery • D Battery • 2nd BN HHB&CT • E Battery from C Battery • F Battery • G Battery • H Battery Reassigned to
Fort Sheridan 14 May 1930 • 61st Artillery (CAC) reconstituted and consolidated with 61st Coast Artillery Regiment 13 June 1930. 18 November 1939 Batteries C and D activated, 28 November 1939 2nd Battalion activated • reassigned to New York for shipment overseas 15 December 1941 • Arrived
Reykjavik, Iceland 26 February 1942 and stationed at
Camp Hilton. 10 July 1942 two detachments formed as separate Gun Battalions, and later redesignated 494th AAA Gun Battalion, and 495th AAA Gun Battalion. • Regiment deployed to England 8 August 1943 and stationed at
Honiton, Devon. Regiment deactivated and broken up 14 June 1944 as follows- • HHB deactivated (10 August 1943) • 1st Battalion redesignated
184th AAA Gun Battalion • 2nd Battalion redesignated 634th AAA (AW) Battalion • 3rd Battalion redesignated 635th AAA (AW) Battalion 28 June 1950 consolidated with elements of the 61st Coast Artillery Regiment which was concurrently reconstituted to form the 61st Antiaircraft Artillery Group with the following composition: • 92nd Group plus Hq 2nd Hq Batry, 6lst Regiment, became Hq and Hq Btry, 61st Group • 184th Battalion plus Hq and Hq Battery, 61st Regiment, became the 6lst Battalion • 634th Battalion plus 1st Battn, 61st Regiment, and the 39th Battalion became the 39th Battalion. • 635th Battalion plus 3d Battn, 61st Regiment, became the 52d Battalion Group Headquarters was established at
Camp Stewart, Georgia. • The 61st Battalion was redesignated as the 61st Antiaircraft Artillery Automatic Weapons Battalion on 21 August 1950 and assigned to the
6th Armored Division,
Fort Leonard Wood, Missouri, where it was inactivated 16 March 1956. • The 39th Battalion retained its designation as an Automatic Weapons Battalion until 16 May 1957 when it was inactivated at Southampton, Germany. • The 52d Battalion was redesignated 20 October 1950 as an Automatic Weapons Battalion and served in the
Korean War, being inactivated at Inchon 10 November 1951, reactivated at
Camp Roberts, California, on 26 November 1952, and finally inactivated at
Castle Air Force Base, California, on 15 June 1957. reorganized and redesignated the 61st Artillery Regiment in 1958, and consolidated with the 436th Antiaircraft Artillery Missile Battalion (NIKE), the 548th Antiaircraft Artillery Missile Battalion (NIKE), and the 740th Antiaircraft Artillery Missile Battalion (NIKE) to form the present elements of the regiment. In addition, the 58th Antiaircraft Artillery Battery (EW) at
Fort Bliss was reorganized and designated as Battery C (Electronic Warfare), 61st Artillery and assigned to
Fourth United States Army. ==Distinctive unit insignia==