 In late July 1990, soldiers of 8th, 40th Armor were sent to Fort Hunter Ligget, California for Annual Training.After their arrival, they were notified they were to be mobilized in preparation for Operation Desert Shield (Due to Iraq invading Kuwait, 2 Aug. 1990)

On 24 October 1997 the brigade was withdrawn from the Army Reserve and allotted to the Regular Army; Headquarters concurrently activated at Fort Lewis, Washington.It was inactivated there on 16 October 1999, then reactivated at Fort Lewis on 1 December 2006.