Camp Stanley is a U.S. Army facility located at the Leon Springs Military Reservation, twenty miles northwest of downtown San Antonio near Fair Oaks Ranch, Texas.
In 1906 and 1907, an area of about 17,000 acres near Leon Springs, just north of San Antonio, was acquired by the military as a training ground and firing range.
Gen. David S. Stanley, a Medal of Honor recipient during the Civil War and a former Commander of the Department of Texas.
In 1949 CSSA had become assigned to the Red River (Arsenal) Army Depot near Texarkana, Texas, as a support facility.
According to a US Army document of 2005, "The primary mission of CSSA is receipt, storage, and issuance of ordnance material as well as quality assurance testing of military weapons and ammunition.