United States general surveillance radar stations include Army and USAF stations of various US air defense networks (in reverse chronological order): * Joint Surveillance System (JSS), with radar stations controlled by joint FAA/USAF ROCCs beginning in 1980 * SAGE radar stations, for the Semi-Automatic Ground Environment network prior to the JSS (the 1st SAGE squadrons were designated in 1958) * Alaska Ring radar net, the radar stations of Alaskan Air Command * Permanent System radar stations, the Air Defense Command manual network of radar stations prior to deployment of SAGE * Lashup Radar Network radar stations, the radar stations deployed 1950-2 when the "Radar Fence" Plan was not approved * Temporary radar net, the "five-station radar net" established in 1948 * Army Radar Stat