United States general surveillance radar stations include Army and USAF stations of various US air defense networks : Joint Surveillance System , 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 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 Stations, WWII installations of the Aircraft Warning Service with radars By usage: RBS Express sites, temporary stations for Radar Bomb Scoring trains which had AN/MPS-9 general surveillance radars Nike Integrated Fire Control sites, with general surveillance radars used to acquire the target Army Air Defense Command Posts, which used general surveillance radars for coordinating fire from several Nike batteries