01327nam 2200361Ia 450 991070035930332120110526151236.0(CKB)5470000002409393(OCoLC)726855752(EXLCZ)99547000000240939320110524d2009 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierElectronic Intelligence (ELINT) at NSA[electronic resource] /Richard L. BernardFort George G. Meade, Md. :Center for Cryptologic History, National Security Agency,2009.1 online resource (14 pages) illustrationsTitle from title screen (viewed on May 24, 2011).Electronic Intelligence Electronic surveillanceUnited StatesData transmission systemsSecurity measuresElectronic surveillanceData transmission systemsSecurity measures.Bernard Richard L1398466United States.National Security Agency/Central Security Service.Center for Cryptologic History.GPOGPOBOOK9910700359303321Electronic Intelligence (ELINT) at NSA3545403UNINA