T. Building Victory: Aircraft Manufacturing in the Los Angeles Area in World War II, Cypress, CA. . D. Kenneth Richardson (2011). Hughes After Howard: The Story of Hughes Aircraft Company. Sea Hill Press. . Walter Sobkiw (2011). Systems Practices as Common Sense''. CassBeth. . External links Hughes aircraft history on CentennialofFlight.net Aircraft Aerospace companies of the United States Defense companies of the United States Electronics companies of the United States Guided missile manufacturers Spacecraft manufacturers Defunct aircraft manufacturers of the United States Defunct helicopter manufacturers of the United States Technology companies based in Greater Los Angeles Companies based in Culver City, California American companies established in 1932 Electronics companies established in 1932 Manufacturing companies established in 1932 Technology companies established in 1932 Manufacturing companies disestablished in 1987 Technology companies disestablished in 1987 1932 establishments in California 1987 disestablishments in California Defunct manufacturing companies based in Greater Los Angeles Boeing mergers and acquisitions Former General Motors subsidiaries Historic American Engineering Record in California