Machinists. Apprenticeship labor standards for Lockheed Aircraft Corporation and Vega Airplane Company, Burbank, Calif., prepared by Lockheed-Vega Joint Apprenticeship Committee, representing Lockheed Aircraft Corporation and Vega Airplane Company, of Burbank, Calif., and Aeronautical Mechanics of Burbank. Local 727, International Association of Machinists; approved 1941.