Fort McClellan, originally Camp McClellan, is a decommissioned United States Army post located adjacent to the city of Anniston, Alabama. During World War II, it was one of the largest U.S. Army installations, training an estimated half-million troops. After the war it became the home of the Military Police Corps, the Chemical Corps and the Women's Army Corps. From 1975 and until it was closed in 1999, Fort McClellan was home of the Military Police Corps and the One Station Unit Training (OSUT) Military Police School. Also after World War II and until it was closed in 1999, it was home of the Chemical Corps School, which trained soldiers in chemical warfare. In 1988, Fort McClellan was used as an alternate training academy for the United States Border Patrol. Before its closure by the Base