A unit with the same designation was headquartered at Sycamore as part of the 404th Chemical Brigade, organized on 1 July 1989 and activated in September of that year. It included the 244th Chemical Company (Smoke) at Rockford and the 444th Chemical Company (Decontamination) at Freeport, and the latter's Detachment 1 at Galva. After returning from summer training at Fort McCoy in August 1993, the 62-man headquarters of the battalion was mobilized for flood relief duty along the Mississippi River at Quincy in response to the Great Flood of 1993. It was relocated to Machesney Park on 1 October 1995; the Sycamore armory was taken over by the newly activated Battery C, 2nd Battalion, 122nd Field Artillery. The battalion was officially inactivated by orders effective 1 September 1997 along with the brigade.