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 at Rockford and the 444th Chemical Company 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. The current battalion was constituted 1 September 2005 in the Illinois Army National Guard as Headquarters and Headquarters Detachment, 44th Chemical Battalion, and three years later organized and Federally recognized on 5 August 2008. The battalion initially included the 135th Chemical Company at Machesney Park, the 444th Chemical Company at Monmouth, and the 445th Chemical Company at East St. Louis. Before being constituted it was on Carrier status. After 2007 the 444th Chemical Company was relocated to the new Galesburg Readiness Center. In 2010, the 445th Chemical Company was relocated to Shiloh. The battalion also includes 450th Chemical Detachment at Macomb. The 150-strong 135th Chemical Company was mobilized for Operation Enduring Freedom – Afghanistan in September 2008, serving on convoy security duty at Camp Phoenix with the 33rd Infantry Brigade Combat TeamTask Force Phoenix. Eight of its personnel received Bronze Stars for actions during the deployment before it returned to the United States in September 2009. The 445th Chemical Company also deployed to Afghanistan at the same time. With about 120 personnel, the 444th Chemical Company was mobilized for a deployment to Kuwait in February 2012, providing security at Camp Virginia before returning to the United States in December. In June 2016, the battalion deployed to Poland to practice troop/equipment decontamination and mass casualty evacuation operations during NATO Exercise Anakonda 2016, which ran from June 7 to June 17 at Drawsko PomorskieTraining Area. When it participated in the exercise, the unit included a large amount of Polish-American soldiers, many of whom spoke Polish and were familiar with the culture; it had participated in similar exercises since 2006.
