01297nam 2200349 a 450 991070036030332120210311154656.0(CKB)5470000002409383(OCoLC)747854563(EXLCZ)99547000000240938320110825d2002 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierCryptologic excellence[electronic resource] yesterday, today, and tomorrowFort George G. Meade, Md. :National Security Agency, Public and Media Affairs Office,[2002?]1 online resource (24 pages) illustrations, portraits (some color)Title from title screen (viewed on Aug. 24, 2011).Cryptologic excellence CryptographyUnited StatesHistory20th centuryIntelligence serviceUnited StatesHistory20th centuryCryptographyHistoryIntelligence serviceHistoryUnited States.National Security Agency/Central Security Service.Public and Media Affairs Office.GPOGPOBOOK9910700360303321Cryptologic excellence3463399UNINA