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9 SAC ~- San Antonio April 26, 1949 Director - FBI FLYING DISKS \WINTERNAL SECURITY - R wom Reference is made to your letter dated April 4, 1949, captioned **Protection of Vital Installations.’' You are instructed in the future to gysvterert information relating to flying disks under the above caption, In regard to your request for information that would substantiate or discredit the statements made by Walter Winchell.on his broadcast of April 3, 1949, your attention is directed to SAC Letter No. 38 dated March 25, 1949, captioned ‘‘Flying Disks.’* For your strictly confidential information, the data contained in SAC Letter No. 38 was obtained in confidence from a colonel in the United States Air Materiel Command, who obtained his information from persons actively engaged in the investigation of this subject. No interview with Walter Winchell will be made by the Bureau con- cerning the source of his statements referred to in your referenced letter. “ a e “p iy OBAAIIE q fj du ds O 3 AES EHM:mpd XG Wd 9B 9 12 Yay JAS iP 40 Ld9a"S "p : 1a4 buLogylg “aga Wood 9h COMMUDEDATIONS SECTION MAILED 9 APR 27 1949 pM, FEDERAL BUREAU. OF INVESTIGATION U, 8. DEPARTMENT OF suBTiCR t