AN/SPS-6 is a two-dimensional radar manufactured by Bendix and Westinghouse Electric. It was used by the US Navy as a first-generation air-search radar after World War II, and was widely exported to allies. In addition, the improved AN/SPS-12 is the derivative types developed in other countries.
AN/SPS-6C aboard HS Velos
AN/SPS-6 aboard HMCS Haida
AN/SPS-6 aboard USS Okanogan
AN/SPS-6 aboard USS Spiegel Grove
A radar picket is a radar-equipped station, ship, submarine, aircraft, or vehicle used to increase the radar detection range around a nation or military force to protect it from surprise attack, typically air attack, or from criminal activities such as smuggling. By definition a radar picket must be some distance removed from the anticipated targets to be capable of providing early warning. Often several detached radar units would be placed in a ring to encircle a target to provide increased cover in all directions; another approach is to position units to form a barrier line.
Former radar station at Point Lay, Alaska.
USS Triton (SSRN-586)
Grumman E-1 Tracer
USS Goodrich (DDR-831) underway in 1950s radar picket configuration.