primarily provided security for two active duty Army Patriot missile batteries in Saudi Arabia. The units conducted initial training for the deployment in Camp Joseph T. Robinson, Arkansas and Fort Carson, Colorado. The success of the mission laid the ground work for additional deployments of National Guard units. 21st century In March 2001, Company D, 1st Battalion, 153d Infantry Regiment and Company D, 3d Battalion, 153d Infantry Regiment deployed to Bosnia as part of the Multinational Stabilization Force (SFOR), Security Force Nine in order to assist with the enforcement of the mandate of the United Nations Mission in Bosnia and Herzegovina (UNMIBH). The companies were attached to 3d Squadron, 7th Cavalry Regiment, 3d Infantry Division for the deployment as part of Task Force Eagle. They performed presence patrols outside Forward Operating Base Morgan and Camp McGovern, and participated in the consolidation of weapon storage sites. The soldiers also guarded the sites. War on Terrorism On 8 October 2001, 2d Battalion, 153d Infantry Regiment was activated. Second Battalion was sent to Egypt in order to take over the Multinational Force and Observers mission, freeing up regular army infantry units to deploy to Afghanistan. The 2d Battalion, 153d Infantry Regiment mission during the MFO was: "...to supervise the implementation of the security provisions of the Egyptian-Israeli Treaty of Peace and employ best efforts to prevent any violation of its terms." This mission was accomplished by carrying out four tasks: operating checkpoints, observation posts and conducting reconnaissance patrols on the international border as well as within Zone C; verification of the terms of the peace treaty not less than twice a month; verification of the terms of the peace treaty within 48 hours, upon the request of either party, and ensuring freedom of international marine navigation in the Strait of Tiran and access to the Gulf of Aqaba. This was the first "pure" National Guard takeover of the MFO mission. 2d Battalion, 153d Infantry Regiment deactivated on 11 October 2002. The 39th Infantry Brigade was notified in 2002 that it would be participating in a rotation to the Joint Readiness Training Center at Fort Polk, Louisiana. For National Guard brigades, a rotation is actually a three-year process that provides additional money, resources and training opportunities in order to improve unit readiness before the actual rotation through the Joint Readiness Training Center. The brigade was required to complete a mission rehearsal exercise during the