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22nd Chemical Battalion (Technical Escort)

The 22nd Chemical Battalion was first organized on 26 November 1917 in the National Army at Washington, DC as Company C, 30th Engineers. The unit was converted and redesignated on 13 July 1918 as Company C, 1st Gas Regiment. The Company participated in 3 campaigns during the Great War as part of the 1st Gas Regiment: St. Mihiel, Meuse-Argonne, and Lorraine 1918. After returning from Europe the unit was demobilized on 28 February 1919 at Camp Kendrick, New Jersey.

The unit was reconstituted on 3 February 1920 in the Regular Army as Company C, 1st Gas Regiment, and organized at Edgewood Arsenal, Maryland. It was reorganized and redesignated on 13 July 1927 as the 1st Chemical Company, on 1 April 1931 as the 1st Separate Chemical Company, and then on 21 March 1942 as the 1st Chemical Company. The unit recieved a campaign streamer without inscription for the American Theater during the Second World War, though the unit was inactivated on 29 May 1943 at Camp Sibert, Alabama.

The unit was reactivated on 10 March 1958 at Fort McClellan, Alabama and redesignated on 19 May 1958 as the 22nd Chemical Company. Deployed to Vietnam in the mid-1960s, the Company participated in 2 campaigns, Counteroffensive and Counteroffensive Phase II, before it was inactivated there on 20 July 1966.

The unit was assigned on 21 September 1979 to the 3rd Armored Division and activated in Germany. Deployed in support of Operations Desert Shield and Desert Storm in 1990-1991, the unit participated in 3 campaigns there: Defense of Saudi Arabia, Liberation and Defense of Kuwait, and Cease-Fire. The Company was inactivated on 15 August 1992 in Germany and relieved from assignment to the 3rd Armored Division.

The unit was redesignated on 16 October 2004 as the 22nd Chemical Battalion and activated at Aberdeen Proving Ground, Maryland as part of the 20th Support Command (CBRNE). In 2007, the 48th Chemical Brigade was activated and the Battalion was assigned to the new brigade.

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