89th Military Police Brigade ( United States ) The 89th Military Police Brigade is a military police brigade of the United States Army based at Fort Hood , Texas . It is a subordinate unit of III Corps . Activated in Vietnam in the midst of the Vietnam War , the unit provided military police services for two corp - sized forces operating in the region . It played a supporting role throughout the entire conflict , staying in theater for the entire war and earning fifteen campaign streamer s . Since then , the brigade has seen duty in numerous areas of operation throughout the world and performed numerous duties including disaster relief for Hurricane Hugo as well as service in Guantanamo Bay . It also played supporting a role in the Gulf War . Recently the brigade served two tours of duty in support of Operation Iraqi Freedom . Organization . The brigade is subordinate to III Corps . It is headquartered at Fort Hood , Texas . Almost 1 , 000 soldiers of the brigade are stationed there . The Brigade contains three subordinate battalions of military police : History . Vietnam War . The 89th Military Police Brigade was originally activated as a " group " , roughly the size of a modern regiment . The 89th Military Police Group was constituted in the Regular Army on 19 February 1966 and activated on 15 March of that year in the Republic of Vietnam . The mission of the 89th Military Police Group was to provide general military police support for the III Corps and IV Corps Tactical Zones . The group stayed in Vietnam in support of the two corps ' areas of operation . As the group was a supporting unit , it never saw front line combat . However , it did receive all 15 campaign streamer s that could be earned for Vietnam service . With the removal of US forces from Vietnam , the organization was inactivated on 21 December 1971 . On 13 September 1972 the unit was activated at Fort Lewis , Washington . The 89th Military Police Group was designed to command and control the operations of three to five military police battalions and other assigned or attached units . Additionally , it provided a Provost Marshal staff section to the corps headquarters while assigned as their senior military police organization . The 89th Military Police Group remained at Fort Lewis until 21 February 1976 when the colors were transferred to Fort Hood , Texas . On 16 July 1981 the 89th Military Police Group was reorganized as the 89th Military Police Brigade . Post - Cold War . The 89th Military Police Brigade has deployed around the world in support of US Army missions in numerous places , seeing both wartime and humanitarian service roles . The soldiers of the 89th MP Brigade supported operations in Honduras , Panama , Cuba , Somalia , Virgin Islands , Bosnia and Hungary . The Brigade played a supporting role during the Gulf War . It was sent to Kuwait and Saudi Arabia as part of operations include Desert Shield and Desert Storm during 1990 and 1991 . During the action , it provided military police duties for XVIII Airborne Corps . The Brigade was one of numerous units thought to have been exposed to chemical weapons following the Khamisiyah Pit Demolition . The long term effects of this exposure are not clear . The brigade participated in disaster relief after Hurricane Hugo 1989 , and Operation Sea Signal in support of Joint Task Force 160 in Guantanamo Bay , Cuba from June to November 1994 . Personnel from the 89th Military Police Brigade were deployed in January 2002 at Guantanamo Bay , Cuba , to serve as the headquarters element for Joint Task Force 160 . They were replaced in May 2002 by personnel from the 43rd Military Police Brigade from the Rhode Island Army National Guard . The subordinate unit of the 89th MP Brigade that deployed for this mission was the 401st Military Police Company , 720th Military Police Battalion . Operation Iraqi Freedom . The 89th Military Police Brigade deployed to Iraq in support of Operation Iraqi Freedom early 2004 , where it took over the mission previously tasked to the 18th Military Police Brigade on 31 January 2004 . At that time the brigade assumed responsibility for the Iraqi Police training mission as well as the majority of all the Military Police Units in Iraq at that time . The unit returned to Fort Hood in December 2004 . The 89th Military Police Brigade deployed for a second tour in August 2006 to the Iraqi theater of operation in support of Operation Iraqi Freedom 2006 – 2008 . During the deployment , it was composed of over 5 , 000 military police soldiers in the theater . Brigade responsibilities included corrections and security operations . It deployed K - 9 units during some operations . The brigade ' s primary responsibility , though , was the training of Iraqi police units . The brigade focused on local police units throughout the country , as another MP brigade handled the national police . The brigade commander would brief US Department of Defense officials in The Pentagon on the current situation , live from Iraq . It suffered several casualties , including a soldier killed by sniper fire , a soldier killed by a suicide car bomb , and two soldiers who died of non - combat related causes . The brigade returned home in October 2007 , replaced again by the 18th Military Police Brigade . After this , the brigade resumed its policing roles at Fort Hood . During its second deployment , one of the unit commanders , William H . Steele , became infamous for being accused of breaching military law by aiding the enemy . He was acquitted of the charges , though he was convicted of other charges and subsequently dismissed from the military .