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 streamers. 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 a supporting role in the Gulf War. Recently the brigade served two tours of duty in support of Operation Iraqi Freedom.