01639oam 2200421 a 450 991070036320332120110825104528.0(CKB)5470000002409354(OCoLC)667218692(EXLCZ)99547000000240935420100930d2004 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierA dangerous business[electronic resource] the U.S. Navy and national reconnaissance during the Cold War : commemorating silent sacrifices /John R. SchindlerFort George G. Meade, Md. :Center for Cryptologic History, National Security Agency,[2004]1 online resource (13 pages) illustrations (some color)Title from PDF t.p. (viewed Sep. 30, 2010).Listed as a 2004 publication on NSA's website but is the same edition as the [2002] print version.Dangerous business Aerial reconnaissanceUnited StatesHistory20th centuryElectronic intelligenceHistoryCold WarUnited StatesForeign relations1945-1989Aerial reconnaissanceHistoryElectronic intelligenceHistory.Cold War.Schindler John R176637United States.National Security Agency/Central Security Service.Center for Cryptologic History.TXCTXCGPOBOOK9910700363203321A dangerous business3495509UNINA