登入選單
返回Google圖書搜尋
Intelligence Investigations
Ralph Bennett
其他書名
How Ultra Changed History
出版Routledge, 2012-12-06
主題History / Military / GeneralPolitical Science / Security (National & International)Psychology / Cognitive Psychology & CognitionPolitical Science / General
ISBN113631072X9781136310720
URLhttp://books.google.com.hk/books?id=rdazaV0iIbwC&hl=&source=gbs_api
EBookSAMPLE
註釋Military intelligence, grossly neglected during the interwar period, had by mid-1942 proved itself indispensable through information gathered from intercepted radio messages in the supposedly unbreakable German Enigma cipher. Ralph Bennett, who worked for four years at Bletchley Park as a senior producer of the intelligence (Ultra') derived from the Enigma decrypts, illustrates in this collection of reprinted essays some of the steps by which he and others developed the new type of information and in the process a candid glimpse of the workings of British intelligence both past and present.