TEJONRCS . . https://en.wikipedia.org/wiki/Tejon_Ranch_Radar_Cross_Section_Facility

The Tejon Ranch Radar Cross Section Facility was a radar cross-section (RCS) testing site operated by Northrop Corporation—later Northrop Grumman—from the 1980s to 2011 in Antelope Valley, California, United States. Located at the southern edge of the Tehachapi Mountains, it was one of the few private outdoor ranges in the country designed to help develop stealth technology for military aircraft, including the B-2 Spirit stealth bomber. Special radar systems measured the electromagnetic reflectivity of aerospace shapes and components mounted on pedestals. Northrop Grumman closed the site after plans were approved to build nearby photovoltaic power stations that were said to interfere with radar testing. https://en.wikipedia.org/wiki/Tejon_Ranch_Radar_Cross_Section_Facility Background Nicknamed "America's Aerospace Valley", the Antelope Valley in Southern California has long served as a hub for the development of advanced, and often classified, aerospace systems. Major private contractors with operations in the region include Northrop Grumman, Lockheed Martin, and Scaled Composites. It is also home to several key US government aerospace facilities, such as Edwards Air Force Base, the United States Air Force's Plant 42, and NASA's Neil A. Armstrong Flight Research Center. Notable milestones in the area's history include Chuck Yeager's breaking of the sound barrier in the Bell X-1 and the first landing of the Space Shuttle Columbia at Edwards Air Force Base in 1981.[1][2] ANTELOPE VALLEY . . . The Antelope Valley is a valley primarily located in northern Los Angeles County, California, United States and the southeast portion of Kern County, and constitutes the western tip of the Mojave Desert.[1] It is situated between the Tehachapi, Sierra Pelona, and the San Gabriel Mountains.[2] The valley was named for the pronghorns that roamed there until they were all eliminated in the 1880s, mostly by hunting, or resettled in other areas.[2][3] The principal cities in the Antelope Valley are Palmdale and Lancaster. https://en.wikipedia.org/wiki/Antelope_Valley

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  1. cywelsMarch 25, 2026 at 6:28 PM

    The Tejon Ranch Radar Cross Section Facility was a radar cross-section (RCS) testing site operated by Northrop Corporation—later Northrop Grumman—from the 1980s to 2011 in Antelope Valley, California, United States. Located at the southern edge of the Tehachapi Mountains, it was one of the few private outdoor ranges in the country designed to help develop stealth technology for military aircraft, including the B-2 Spirit stealth bomber. Special radar systems measured the electromagnetic reflectivity of aerospace shapes and components mounted on pedestals. Northrop Grumman closed the site after plans were approved to build nearby photovoltaic power stations that were said to interfere with radar testing.
    https://en.wikipedia.org/wiki/Tejon_Ranch_Radar_Cross_Section_Facility
    Background:
    Nicknamed "America's Aerospace Valley", the Antelope Valley in Southern California has long served as a hub for the development of advanced, and often classified, aerospace systems. Major private contractors with operations in the region include Northrop Grumman, Lockheed Martin, and Scaled Composites. It is also home to several key US government aerospace facilities, such as Edwards Air Force Base, the United States Air Force's Plant 42, and NASA's Neil A. Armstrong Flight Research Center. Notable milestones in the area's history include Chuck Yeager's breaking of the sound barrier in the Bell X-1 and the first landing of the Space Shuttle Columbia at Edwards Air Force Base in 1981.[1][2] ANTELOPE VALLEY . . . The Antelope Valley is a valley primarily located in northern Los Angeles County, California, United States and the southeast portion of Kern County, and constitutes the western tip of the Mojave Desert.[1] It is situated between the Tehachapi, Sierra Pelona, and the San Gabriel Mountains.[2] The valley was named for the pronghorns that roamed there until they were all eliminated in the 1880s, mostly by hunting, or resettled in other areas.[2][3] The principal cities in the Antelope Valley are Palmdale and Lancaster.
    https://en.wikipedia.org/wiki/Antelope_Valley


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