Lineage and Honors Information as of 9 July 2019
Headquarters and Headquarters Detachment
2d Chemical Battalion
- Constituted 15 August 1917 in the Regular Army as the 30th Engineers (Gas and Flame)
- Organized 30 August-28 November 1917 at Camp American University, Washington, D.C.
- Converted and redesignated 13 July 1918 as the 1st Gas Regiment
- (3d and 4th Battalions, 1st Gas Regiment, organized 24 October 1918 at Camp Sherman, Ohio; demobilized 15-20 December 1918 at Camp Sherman, Ohio)
- Demobilized 28 February 1919 at Camp Kendrick, New Jersey
- Reconstituted 24 February 1920 in the Regular Army as the 1st Gas Regiment and organized at Edgewood Arsenal, Maryland
- Redesignated 5 February 1929 as the 1st Chemical Regiment
- Inactivated 15 April 1935 at Edgewood Arsenal, Maryland
- Disbanded 12 March 1942
- Reconstituted 7 November 1951 in the Regular Army; concurrently, consolidated with 2d Chemical Mortar Battalion (active) (see ANNEX), and consolidated unit designated as the 2d Chemical Mortar Battalion
- Reorganized and redesignated 23 January 1953 as the 2d Chemical Weapons Battalion
- (Headquarters Company, 2d Chemical Weapons Battalion disbanded 16 January 1955 at Dugway Proving Ground, Utah)
- Headquarters, 2d Chemical Weapons Battalion reorganized and redesignated 7 January 1958 as Headquarters and Headquarters Detachment, 2d Chemical Battalion (Companies A, B, and C concurrently disbanded at Dugway Proving Ground, Utah)
- Headquarters and Headquarters Detachment, 2d Chemical Battalion, inactivated 19 December 1973 at Fort McLellan, Alabama
- Activated 1 September 1981 at Fort Hood, Texas
- ANNEX
- Constituted 25 March 1935 in the Regular Army as the 2d Separate Chemical Battalion
- Activated 16 April 1935 (less companies B, C, D, and Medical Detachment) at Edgewood Arsenal, Maryland
- (Companies B, C, D, and Medical Detachment activated 1 April 1942 at Fort Bragg, North Carolina)
- Reorganized and redesignated 7 September 1943 as the 2d Chemical Battalion, Motorized
- Reorganized and redesignated 31 December 1944 as the 2d Chemical Mortar Battalion
- Inactivated 26 July 1946 in Germany
- Activated 1 February 1949 at Edgewood Arsenal, Maryland
Campaign Participation Credit
- World War I
- Lys
- Aisne-Marne
- St. Mihel
- Meuse-Argonne
- Flanders 1918
- Lorraine 1918
- World War II
- Sicily (with arrowhead)
- Naples-Foggia (with arrowhead)
- Rome-Arno
- Southern France (with arrowhead)
- Rhineland
- Ardennes-Alsace
- Central Europe
- Korean War
- UN Offensive
- CCF Intervention
- First UN Counteroffensive
- CCF Spring Offensive
- UN Summer-Fall Offensive
- Second Korean Winter
- Korea, Summer-Fall 1952
- Third Korean Winter
- Southwest Asia
- Defense of Saudi Arabia
- Liberation and Defense of Kuwait
- Cease-Fire
- Armed Forces Expeditions
- Somalia
Decorations
- Presidential Unit Citation (Army), Streamer embroidered KUMHWA, KOREA
- Presidential Unit Citation (Navy), Streamer embroidered WONJU-HWACHON
- Meritorious Unit Commendation (Army), Streamer embroidered SOUTHWEST ASIA 1990-1991
- Navy Unit Commendation, Streamer embroidered PANMUNJOM
- Army Superior Unit Award, Streamer embroidered 2011-2013
- Republic of Korea Presidential Unit Citation, Streamer embroidered DEFENSE OF KOREA
By Order of the Secretary of the Army:
CHARLES R. BOWERY, JR.
Chief of Military History