Admiral Sylvio Heck denounces subversion in the NvyMilitary Intelligence UnitBox 07Sylvio Heck5 809 0169 641964-06-11MIU-Intelligence Information ReportCommunismQuadros, Jânio, 1917-1992Brazilian NavyHeck, SylvioIPMDIAM 1C2Department of DefenseAuthorizerWhited, C.N.AuthorizerDillon, PatrickAuthor