In March 2008, 1st Battalion, 206th Field Artillery returned to Camp Taji, this time as the Garrison Command Cell (formerly known as the Mayor Cell). At this time the Base Defense Operations Center was operated by 2nd Battalion, 11th Field Artillery Regiment, a part of the 25th Infantry Division, which was assigned to 4th Infantry Division for the deployment. The 2–11 FA was responsible for securing a security contract to provide over 900 private contractor security guard to provide gate and tower guards for Camp Taji, relieving two Arkansas National Guard companies (1038th HCC and 1123rd TC) of these responsibilities and decreasing the need to mobilize units for these duties in the future. 1–206th FA was relieve by the 949th Brigade Support Battalion, Texas National Guard, in December 2008. 2–11 FA was relieved of the BDOC mission by 1st Battalion, 108th Field Artillery Regiment of the Pennsylvania Army National Guard in January 2009. January 2009, 56th Stryker Brigade Combat Team of the PA Army National Guard arrived. 1st Battalion, 111th Infantry (Stryker) and its associated elements provided combat patrols and area security in the region. The Indiana Army National Guard was also relieved of duty in 2009.