Historic Posts, Camps, Stations and Airfields
San Clemente Radar Site X-40
 
 
A World War II air defense radar site equipped with the SCR-516 Ground Control Intercept radar set. The site was operated by the Army Air Forces 654th Signal Aircraft Warning Company and later the 657th Signal Aircraft Warning Company. The site was subordinate to the Los Angeles Control Group.
 
 
US Army Corps of Engineers Los Angeles District History (1997)
 
Location: The San Clemente Radar Station X-40 site is located In Orange County, at Laguna Beach, California. The exact site location is unknown.

Site History: The Air Force acquired 2.0 acres under Lease No.W-04-193-Eng-3298 (formerly covered by Lease No. W-04-193-Eng-2844 which was cancelled on 31 July 1943). The Army Air Forces used the site for a radar facility. No record of improvements was available. The 2.0-acre lease was terminated by the Army on 2 January 1945.
 
 
US Army Corps of Engineers Los Angeles District History (2000)
 
The Army Air Forces acquired 2.0 acres under Lease No. W-04-193-Eng-3298 (formerly covered by Lease No. W-04-193-Eng-2844 which was cancelled on 31 July 1943). Records were neither complete nor specific. The Army Air Forces used the property for a radar station. No improvement records were available. The Air Force terminated the lease for the 2.0-acre site on 2 January 1945. No improvements are known to remain based on available information.
 
 
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Updated 8 February 2016