The more than 1,000-person USACHPPM team is a linchpin of medical support to combat forces and of the military managed-care system. It provides worldwide scientific expertise and services in clinical and field preventive medicine, environmental and occupational health, health promotion and wellness, epidemiology and disease surveillance, toxicology and related laboratory sciences. Professional disciplines represented include chemists, physicists, engineers, physicians, optometrists, epidemiologists, audiologists, nurses, industrial hygienists, toxicologists and entomologists, as well as sub-specialties within these professions. The USACHPPM headquarters is located at the South Area of Aberdeen Proving Ground, Md. Five regional subordinate commands are located at Fort George G. Meade, Md.; Fort Lewis, Wash.; Landstuhl, Germany; Camp Zama, Japan; and Fort McPherson, Ga. Located in Building 180 on Fort McPherson, USACHPPM-South is responsible for providing preventive medicine services and training to the southeast region of the continental U.S. The unit consists of five divisions: entomological sciences, field preventive medicine, industrial hygiene, quality management support and environmental health engineering. USACHPPM-South can request additional support in other, more specialized areas from its headquarters to support its regional customers. USACHPPM-South is in the process of relocating to Fort Sam Houston, Texas, and expects to complete this move by September 30, 2009. At Fort Sam Houston, USACHPPM-South will continue to provide "cutting edge" public health services to all DoD entities (both active and reserve components) in the southeast region of the continental United States. History of Fort McPherson Origins Situated on and located four miles (6 km) southwest of the center of Atlanta, Fort McPherson is rich in military tradition as an army post dating back to 1867. It was during that year that a post was established in west Atlanta on the grounds where Spelman College is now located. Between the years 1867 and 1881, the post was garrisoned in turn by elements of the 2nd, 16th and 18th U.S. Infantry Regiments and the 5th Artillery. Their mission was to enforce Union regulations during the reconstruction period following the Civil War. In October 1881, Secretary of War Robert T. Lincoln directed that the lease of the site be surrendered and the buildings sold at public auction. In compliance with this directive, McPherson Barracks was abandoned by U.S. troops Dec. 8, 1881. Part of the site was purchased by the American Baptist Missionary Society for use by the Atlanta Baptist Female Seminary, which later became Spelman College. The U.S. Treasury realized $17,264.40 from the