 Alpha and Bravo Companies were released from active duty in August 2006 and returned to reserve status.24 July 2008, the battalion was reorganized as Headquarters and Headquarters Company, 490th Civil Affairs Battalion, with subordinate units Alpha Company, Bravo Company, and Charlie Company concurrently constituted and organized.At the same time, Alpha, Bravo, and Charlie Companies were ordered to active duty and deployed 12 October 2008 in support of Operation Iraqi Freedom.