Most of the eight battalions of the 15th Field Artillery Regiment have been inactivated. These battalions include the 1st, 3d, 4th, 5th, 6th, 7th and 8th.
The 2d Battalion 15th FAR is the only remaining battalion of the 15th Field Artillery Regiment that is active today. The 2d Battalion 15th FAR is part of 2d Brigade 10th Mountain Division Fort Drum, New York.
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Constituted 1 July 1916 in the Regular Army as Battery A, 15th Field Artillery. Organized 1 June 1917 at Syracuse, New York. (15th Field Artillery assigned 21 September 1917 to the 2d Division.) Inactivated 31 October 1929 at Ft Sam Houston, Texas (concurrently relieved from assignment to 2d Division and assigned to the 4th Division). (15th Field Artillery relieved 1 January 1 1930 doom assignment to the 4th Division and assigned to the 2d Division [later redesignated as the 2d Infantry Division].) Activated 1 December 1934 at Fort Sam Houston, Texas.
Reorganized and redesignated 1 October 1940 as Battery A, 15th Field Artillery Battalion. Reorganized and re-designated 20 February 1956 as Battery A, 15th Armored Field Artillery Battalion. Inactivated 20 June 1957 at Fort Richardson, Alaska, and relieved from assignment to 2d Infantry Division.
Redesignated 4 March 1958 as Headquarters and Headquarters Battery, 1st Howitzer Battalion, 15th Field Artillery (organic elements concurrently constituted). Battalion assigned 14 June 1958 to the 2d Infantry Division and activated at Ft Benning, Georgia. Redesignated 25 June 1963 as the 1st Battalion, 15th Field Artillery. Redesignated 1 September 1971 as the 1st Battalion, 15th Field Artillery.
Inactivated July 2015 Camp Casey along with 1st Brigade Combat Team , 2d Infantry Division.
Mission: Defended the Republic of Korea by conducting deep and counter-fire operations against potential aggressors attempting to cross the DMZ
Nicknamed "First to Fire"
A mix of U.S. and Korean Augmentation to the U.S. Army (KATUSA) soldiers.
Constituted 1 July 1916 in the Regular Army as Battery B, 15th Field Artillery. Organized 1 June 1917 at Syracuse, New York. (15th Field Artillery assigned 21 September 1917 to 2d Division.) Inactivated 31 October 1929 at Fort Same Houston, Texas (15th Field Artillery concurrently relieved from assignment to the 2d Division and assigned to the 4th Division). (15th Field Artillery relieved 1 January 1930 from assignment to the 4th Division and assigned to the 2d Division [later redesignated as the 2d Infantry Division].) Activated 1 December 1934 at Fort Sam Houston, Texas.
Reorganized and redesignated 1 October 1940 as Battery B, 1th 15th Field Artillery Battalion. Reorganized and redesignated 20 February1956 as Battery B, 15th Armored Field Artillery Battalion
Relieved 20 June 1957 from assignment to the 2d Infantry Division; concurrently, reorganized and redesignated as Headquarters and Headquarters Battery, 2d Howitzer Battalion, 15th Artillery ( organic elements concurrently constituted and activated). Headquarters and Headquarters Battery, 2d Howitzer Battalion 15th Field Artillery, reorganized and redesignated 16 December 1957 as Battery B, 15th Artillery (organic elements concurrently inactivated). Reorganized and redesignated 1 June 1960 as Headquarters and Headquarters Battery, 2d Howitzer Battalion, 15th Field Artillery (organic elements concurrently activated). Redesignated 20 May 1963 as the 2d Battalion, 15th Artillery, and assigned to the 171st Infantry Brigade. Redesignated 1 September 1971 as the 2d Battalion, 15th Field Artillery. Inactivated 30 June 1972 in Alaska and relieved from assignment to the 171st Infantry Brigade. Headquarters and Headquarters Battery, 2d Battalion 15th Artillery, redesignated 2 April 1985 as Battery B, 15th Field Artillery, dssigned to the 7th Infantry Division, and activated at Fort 3rd, California. Inactivated 15 September 1993 at Fort Ord, California, and relieved from assignment to the 7th Infantry Division. Redesignated 16 March 1996 Headquarters and Headquarters Battery, 2d Battalion, 15th Field Artillery, assigned to the 10th Mountain Division, and activated at fort Drum, New York (organic elements concurrently activated).
Constituted 1 July 1916 in the Regular Army as Battery C, 15th Field Artillery. Organized 1 June 1917 at the State Fair Grounds, Syracuse, New York. (15th Field Artillery assigned 21 September 1917 to the 2d Division.) Inactivated 31 October 1929 at Fort Sam Houston, Texas (15th Field Artillery concurrently relieved from assignment to the 2d Division and assigned to the 4th Division). (15th Field Artillery relieved 1 January 1930 from assignment to the 4th Division and assigned to the 2d Division [later designated as the 2d Infantry Division].) Activated 1 May 1939 at Fort Sam Houston, Texas.
Reorganized and redesignated 1 October 1940 as Battery C, 15th Field Artillery Battalion. Reorganized and redesignated 20 February 1956 as Battery C, 15th Armored Field Artillery Battalion.
Inactivated 20 June 1957 at Fort Richardson, Alaska, and relieved from assignment to the 2d Infantry Division; concurrently, redesignated as Headquarters and Headquarters Battery, 3d Battalion, 15th Artillery. Redesignated 17 March 1959 as Headquarters and Headquarters Battery, 3d Howitzer Battalion, 15th Artillery, withdrawn from Regular Army, allotted to the Army Reserve, and assigned to the 79th Infantry Division (organic elements concurrently constituted). Battalion activated 6 April 1959 with Headquarters at Reading, Pennsylvania. Relieved 7 January 1963 from assignment to the 79th Division and assigned to the 157th Infantry Brigade. (Location of Headquarters changed 31 January 1966 to Chester, Pennsylvania.) Redesignated 31 January 1968 as the 3d Battalion, 15th Artillery. (Location of Headquarters changed 10 August 1969 to Edgemont Pennsylvania.) Redesignated 1 September 1971 as the 3d Battalion, 15th Field Artillery. (Location of Headquarters changed 22 July 1974 to Pedricktown, New Jersey.) Relieved 23 July 1976 from assignment to the 157th Infantry Brigade (location of Headquarters concurrently changed to Fort McClellan, Alabama). Inactivated 15 September 1994 at Anniston Alabama.
Bibliography: McKenney, Janice E., Army Lineage Series, "Field Artillery Regular Army and Army Reserve" US Army Center of Military History, Government Printing Office, 1985, Page 239.
The 4th Bn, 15th FA traces its lineage back to Battery D, 2nd Bn, 15th FA, which was organized as part of the 15th FA Regiment on 1 June 1917, at the State Fairgrounds in Syracuse, NY. The 15th FA Regiment was assigned to the 2nd Infantry Division on 21 September 1917. Battery D was absorbed by Battery A, 15th FA Bn on 1 October 1940. Prior to 1956, honors and awards were earned in WW-I as Battery D, 2nd Bn, 15th FA, and in WW-II and the Korean War as Battery A, 15th FA Bn. In 1956, Battery A, 15th FA Bn was redesignated as Battery A, 15th Armored Field Artillery (AFA) Bn while assigned to the 2nd Infantry Division in Ft. Richardson, Alaska. On 20 June 1957, the former Battery D, 15th FA Bn was reconstituted into the Regular Army as Headquarters and Headquarters Battery, 4th Bn, 15th Artillery. It was then redesignated on 19 March 1959 as the 4th Howitzer Bn, 15th Artillery and allotted to the Army Reserve as part of the 90th Infantry Division in San Antonio, Texas. Subsequently, the 4th Bn, 15th Artillery was inactivated on 31 December 1965 and relieved from assignment to the 90th Infantry Division. While in inactive status it was redesignated as the 4th Bn, 15th FA on 1 September 1971. More information will be added as it becomes available.
Bibliography: McKenney, Janice E., Army Lineage Series, "Field Artillery Regular Army and Army Reserve" US Army Center of Military History, Government Printing Office, 1985, Page 241.
The 5th Bn, 15th FA traces its lineage back to Battery E, 2nd Bn, 15th FA, which was organized as part of the 15th FA Regiment on 1 June 1917, at the State Fairgrounds in Syracuse, NY. The 15th FA Regiment was assigned to the 2nd Infantry Division on 21 September 1917. On 1 October 1940, Battery E was absorbed by Battery B, 15th FA Bn. Prior to 1956, honors and awards were earned in WW-I as Battery E, 2nd Bn, 15th FA, and in WW-II and the Korean War as Battery B, 15th FA Bn. In 1956, the 15th FA Bn was redesignated as the 15th Armored Field Artillery (AFA) Bn while assigned to the 2nd Infantry Division in Ft. Richardson, Alaska. On 20 June 1957, the former Battery E, 15th FA Bn was reconstituted in the Regular Army and redesignated as Headquarters and Headquarters Battery (HHB), 5th Bn, 15th Artillery. Redesignated 19 March 1959, as HHB, 5th Howitzer Bn, 15th Artillery. Concurrently, it was withdrawn from the Regular Army and assigned to the Army Reserve as part of the 83rd Infantry Division. It was reactivated in Dayton, Ohio as the 5th Bn, 15th Artillery on 20 March 1959. Subsequently, it was inactivated at Dayton, Ohio on 31 December 1965, and redesignated on 1 September 1971 as the 5th Bn, 15th Field Artillery. More information will be added as it becomes available.
Bibliography: McKenney, Janice E., Army Lineage Series, "Field Artillery Regular Army and Army Reserve" US Army Center of Military History, Government Printing Office, 1985, Page 243.
The 6th Bn, 15th FA traces its lineage back to Battery F, 2nd Bn, 15th FA, which was organized as part of the 15th FA Regiment on 1 June 1917, at the State Fairgrounds in Syracuse, NY. The 15th FA Regiment was assigned to the 2nd Infantry Division on 21 September 1917. On 1 October 1940, Battery F was absorbed by Battery C, 15th FA Bn. Prior to 1956, honors and awards were earned in WW-I as Battery F, 2nd Bn, 15th FA, and in WW-II and the Korean War as Battery C, 15th FA Bn. In 1956, the 15th FA Bn was redesignated as the 15th Armored Field Artillery (AFA) Bn while assigned to the 2nd Infantry Division in Ft. Richardson, Alaska. On 20 June 1957, the Former Battery F, 15th FA was reconstituted in the Regular Army and redesignated as Headquarters and Headquarters Battery, 6th Howitzer Bn, 15th Artillery, and was assigned to the 7th Infantry Division in Korea. The 6th Howitzer Bn, 15th Artillery was inactivated in Korea on 1 July 1963 and was subsequently reactivated on 1 November 1966 at Fort Sill, Oklahoma. On 22 May 1967, the "Indianheads" of the 6th Howitzer Bn, 15th Artillery were deployed to the Republic of Vietnam (RVN) as a 105mm Towed Howitzer Bn. The Bn was initially assigned at Lai Khe,RVN, and was attached to the 1st Infantry Division. On 1 April 1968, they were redesignated as the 6th Bn, 15th Artillery. On 15 July 1968, the Bn was transferred to the 23rd Artillery Group at Tan Son Nhut, RVN, and then on to Tay Ninh, RVN. They were further reassigned to the 54th Artillery Group at Long Thanh, RVN, on 15 August 1969, and assigned directly to the 2nd Field Force Vietnam Artillery on 21 October 1969. The 6th Bn, 15th Artillery left RVN on 22 November 1969, and was inactivated at Ft. Lewis, Washington. The Bn was redesignated as the 6th Bn, 15th Field Artillery on 1 September 1971. More information will be added as it becomes available.
Bibliography: McKenney, Janice E., Army Lineage Series, "Field Artillery Regular Army and Army Reserve" US Army Center of Military History, Government Printing Office, 1985, Page 245.
Stanton, Shelby L., "Vietnam Order of Battle", Galahad Books, New York, 1986, Page 99.
The 7th Bn, 15th FA traces its lineage back to Headquarters and Headquarters Detachment (HHD), 1st Bn, 15th FA, which was organized as part of the 15th FA Regiment on 1 June 1917, at the State Fairgrounds in Syracuse, NY. The 15th FA Regiment was assigned to the 2nd Infantry Division on 21 September 1917. Reorganized and redesignated 15 March 1921, as HHD and Combat Train, 1st Bn, 15th FA. Redesignated 1 July 1924, as Headquarters and Headquarters Battery (HHB) and Combat Train, 1st Bn, 15th FA. On 1 October 1940, HHB, 1st Bn, 15th FA was absorbed by HHB, 15th FA Bn. Prior to 1956, honors and awards were earned in WW-I as HHD, 1st Bn, 15th FA, and in WW-II and the Korean War as HHB, 15th FA Bn. In 1956, the 15th FA Bn was redesignated as the 15th Armored Field Artillery (AFA) Bn while assigned to the 2nd Infantry Division in Ft. Richardson, Alaska. On 20 June 1957, the former HHB, 1st Bn, 15th FA was reconstituted in the Regular Army and redesignated as HHB, 7th Bn, 15th Artillery. On 8 August 1962, it was redesignated as HHB, 7th Howitzer Bn, 15th Artillery, and on 17 September 1962, was activated at Ft. Bragg, North Carolina, and further redesignated 1 June 1964 as the 7th Bn, 15th Artillery. On 8 June 1967, the "Indianheads" of the 7th Bn, 15th Artillery were deployed to the Republic of Vietnam (RVN) as an 8-inch, Self-Propelled (SP M110) Howitzer Bn. After arriving in RVN on 1 July 1967, it was initially assigned to the 41st Artillery Group at Phu Cat, RVN. In the fall of 1967, some M110 weapons platforms were converted to the M107, 175mm Gun configuration in order to double the firing range to more than 32,000 meters (almost 20 miles). From July 1967 to February 1968, the 7th Bn, 15th Artillery provided Heavy Artillery support to the 1st Air Cavalry Division in the Central Highlands (Binh Dinh, Kontum and Pleiku Provinces). Battery A was located at LZ English, HHB and Battery B were located at LZ Uplift, and Battery C had a two-gun Platoon at LZ Pony and a two-gun Platoon at LZ Diamond Head supporting the, Republic of Korea Capital Division, while Service Battery maintained the Base Camp at Phu Cat. When the 1st Air Cavalry Division moved north to Thua Thien Province in the 1st Corps Tactical Zone (CTZ) the 7th Bn, 15th Artillery remained in the Central Highlands supporting the 173rd Airborne Brigade, the 4th Infantry Division, the Army of the Republic of Vietnam (ARVN), and the US Special Forces. The 7th Bn, 15th Artillery relocated to An Khe in January of 1970 and in late 1970, control of the Bn was transferred to the 52nd Artillery Group at Phu Cat. The 7th Bn, 15th Artillery left RVN on 28 November 1971, after firing more than 360,000 rounds of heavy artillery fire, suffered approximately 19 KIA’s, and approximately 200 WIA’s. The Bn was redesignated as the 7th Bn, 15th Field Artillery on 1 September 1971, and was subsequently inactivated at Ft. Lewis, Washington on 31 July 1972. The 7th Bn, 15th FA was later reactivated and served with the 7th Infantry Division (Light) during Operation "Just Cause" in Panama. More information will be added as it becomes available.
Bibliography: McKenney, Janice E., Army Lineage Series, "Field Artillery Regular Army and Army Reserve" US Army Center of Military History, Government Printing Office, 1985, Page 247.
Stanton, Shelby L., "Vietnam Order of Battle", Galahad Books, New York, 1986, Page 100.
The 8th Bn, 15th FA traces its lineage back to Headquarters and Headquarters Detachment (HHD), 2nd Bn, 15th FA, which was organized as part of the 15th FA Regiment on 1 June 1917, at the State Fairgrounds in Syracuse, NY. The 15th FA Regiment was assigned to the 2nd Infantry Division on 21 September 1917. Reorganized and redesignated 15 March 1921, as HHD and Combat Train, 2nd Bn, 15th FA. Redesignated 1 July 1924, as Headquarters and Headquarters Battery (HHB) and Combat Train, 2nd Bn, 15th FA. On 1 October 1940, HHB, 2nd Bn, 15th FA was absorbed by and redesignated as HHB, 15th FA Bn. Prior to 1956, honors and awards were earned in WW-I as HHD, 2nd Bn, 15th FA, and in WW-II and the Korean War as HHB, 15th FA Bn. In 1956, the 15th FA Bn was redesignated as the 15th Armored Field Artillery (AFA) Bn while assigned to the 2nd Infantry Division in Ft. Richardson, Alaska. On 20 June 1957, the former HHB, 2nd Bn, 15th FA was reconstituted in the Regular Army and redesignated as HHB, 8th Bn, 15th Artillery. On 21 March 1961, it was redesignated as HHB, 8th Missile Bn, 15th Artillery, and on 19 April 1961, was activated at Ft. Bliss, Texas. The Bn was further redesignated 20 December 1965 as the 8th Bn, 15th Artillery. The Bn was redesignated as the 8th Bn, 15th Field Artillery on 1 September 1971, and was inactivated at Homestead Air Force Base, Florida. The 8th Bn, 15th Field Artillery was awarded a Meritorious Unit Commendation (MUC) for the period 20 October 1962 – 1 June 1963 for its support during the Cuban Missile Crisis.
Bibliography: McKenney, Janice E., Army Lineage Series, "Field Artillery Regular Army and Army Reserve" US Army Center of Military History, Government Printing Office, 1985, Page 247.
Department of the Army Pamphlet 672-3, "Unit Citation and Campaign Participation Credit Register", HQs, Department of the Army, 28 October 1986, Page 21.