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Fort MacArthur Direction Center

Fort MacArthur Direction Center
LA-45DC
Fort MacArthur,
Los Angeles, California
Coordinates 33°42′49″N 118°17′16″W / 33.71361°N 118.28778°W / 33.71361; -118.28778Coordinates: 33°42′49″N 118°17′16″W / 33.71361°N 118.28778°W / 33.71361; -118.28778
(now 3390 S Pacific Av, San Pedro)
Site history
Built 1959 (1959)
Materials 1960: AN/FSG-1
1967: AN/TSQ-51

The Fort MacArthur Direction Center (DC) was the U.S. Army Air Defense Command Post (AADCP) for the Project Nike batteries of the Los Angeles Defense Area. It was located at Fort MacArthur on the eastern Palos Verdes Peninsula, in the San Pedro community of Los Angeles, California.

The Cold War Direction Center−DC provided radar ("electronic umbrella") for integrating the area's Integrated Fire Control (IFC) sites (16 sites for Hercules missiles until 1968). The DC had High Frequency Crosstell communication with the 1959-1966 SAGE Master Direction Center at Norton Air Force Base (DC-17) for coordinating Army intercepts of targets penetrating through the larger USAF Los Angeles Air Defense Sector defended by ground-controlled aircraft.

In World War II, Fort MacArthur had a Harbor Entrance Command Post and a Harbor Defense Command Post for US seacoast defense of shipbuilding factories (e.g., CalShip, Todd Pacific), "giant aircraft factories" (Douglas, Hughes, Martin, Northrop), the Huntington Beach Oil Field, and the San Pedro Bay harbor (Port of Los Angeles & Port of Long Beach) which made the Los Angeles metropolitan area a target for attack.


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