OVERVIEW: The AN/FPS-66 is fixed, long-range, L-Band General Air Surveillance Radar

DETAILS: The AN/FPS-66 is fixed, long-range, L-Band general air surveillance radar. It was the main surveillance radar for the continental United States.

NOTES: The AN/FPS-66 is upgraded anti-jam version of the AN/FPS-20 surveillance radar that dominated the US radar network.

SOURCES: Federation of American Scientists. "AN/FPS-20 AN/FPS-66 AN/FPS-67 General Surveillance Radar - United States Nuclear Forces." Accessed November 24, 2013. http://www.fas.org/nuke/guide/usa/airdef/an-fps-20.htm