Initially formed from assets of the 308th Aviation Battalion (Combat), the 159th Aviation Battalion (Assault Support Helicopter) was constituted on 1 July 1968 and served in the Regular Army in Vietnam as a part of the 101st Airborne Division (Airmobile).
Its Company B was reorganized and redesignated on 16 November 1987 as Headquarters and Headquarters Company, 2d Battalion, 159th Aviation; however, it was inactivated 10 years later on 15 September 1997 before being redesignated on 16 October 1997 as Company B, 159th Aviation, and activated at Hunter Army Airfield, Georgia. Later it moved to Felker Army Airfield at Fort Eustis, VA. HHC and B Company were deployed in Kuwait and Iraq between February 2003 and April 2004, before being inactivated a month later on 15 May 2004 at Ft. Eustis.
The 159th Aviation Regiment was redesignated to the same company on 1 October 2005 before it was redesignated again a year later 16 October 2006 as Headquarters and Headquarters Company, 2d Battalion.[1]
Numerous other elements of the regiment have been active as well:
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