The unit was constituted on 21 August 1965 and activated on 23 August 1965 at
Fort Benning, Ga. The Battalion was inactivated on 16 September 1987. The 11th Aviation Battalion stationed at Fliegerhorst Kaserne in
Erlensee, Germany, was the air wing of
V Corps. The 1st Battalion, 11th Aviation Regiment, at Fort Rucker, now carries the 11th Aviation Battalion's lineage. ==Organizational structure in the Vietnam War==