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Files W.F.F. Archive Reports and Research Notes Working Papers, Drafts, Memoranda, Intercepted Messages Related to Various Communications Security Issues; Includes Magic-Far East Summaries on Japanese Intelligence and Magic Diplomatic Summaries, Japanese Compromise of Vichy Code, and the Relationship of Japanese Traffic Analysis (T/A) to the Security Problem (1945), 1944-1945
AFSA Regulation Number 90-1; Regulations Governing the Use of Internal Communication Facilities, 18 March 1952;
Document A65508
117.01 KiB
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Analysis of the Security of Communications, 23 June 1945
Document A65494
99.81 KiB
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Analysis of the Security of Communications, 26 June 1945
Document A65505
144.09 KiB
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Analysis of the Security of Communications, 26 June 1945
Document A65516
373.36 KiB
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Civilian Personnel Policy, 8 April 1953
Document A65466
38.57 KiB
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Draft Memo: Personnel and Organizational Changes, 30 January 1953
Document A65532
80.64 KiB
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Evaluation and Dissemination of Information of Japanese Cryptanalytic or T/A Results, 1 January 1944
Document A65531
106.85 KiB
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Handwritten Definition of Linear Transformation, 1 January 1949
Document A65431
145.3 KiB
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Handwritten Note Listing Various Security Committees, 1 January 1944
Document A65538
28 KiB
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Handwritten Note Regarding Security Matters, 16 November 1944
Document A65468
56.78 KiB
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Handwritten Note, W/Japanese Translations Attached, Regarding Japanese Ability to Read an Allied Code, 15 December 1944
Document A65473
274.11 KiB
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Handwritten Notes on Mark III Scrambler and Aircraft Printer Type 31, 1 January 1949
Document A65416
596.61 KiB
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Handwritten Notes on Operation of an Unspecified Cryptographic Machine, 01 January 1944
Document A65489
176.85 KiB
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Handwritten Notes Regarding Security Matters, 25 May 1945
Document A65541
67.94 KiB
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Handwritten Notes-CSP3300, 1 January 1949
Document A65401
50.47 KiB
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Impracticalities of Intelligence Concerning Security of Communications, 4 June 1945
Document A65499
60.56 KiB
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Informal Memo to Friedman : Action on "A Intelligence", 9 May 1945
Document A65543
74.56 KiB
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Information for Security Division, 23 December 1944
Document A65529
77.4 KiB
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Intelligence Concerning Security of Communications, 3 March 1945
Document A65501
129.67 KiB
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Intelligence Concerning Security of Communications, 7 March 1945
Document A65512
26.44 KiB
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Japanese Compromise of Vichy Code, 7 October 1944
Document A65432
94.66 KiB
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Japanese Document, Possibly About Russian Cable Network from Moscow
Document A65485
1.05 MiB
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Magic Diplomatic Summary; Miscellaneous, 1 December 1944
Document A65463
28.02 KiB
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Magic Diplomatic Summary; Miscellaneous, 1 December 1944
Document A65475
34.36 KiB
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Magic Far East Summary; JAAF-Analysis of B-29 Traffic, 5 December 1944
Document A65462
40.47 KiB
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Magic Far East Summary; Japan's Aircraft Fuel Position, 28 June 1945
Document A65507
41.4 KiB
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Magic Far East Summary; Japanese Intelligence on U.S. Fleet Dispositions and Equipment, 29 November 1944
Document A65446
31.29 KiB
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Magic Far East Summary; Northern Kuriles-- Japanese Radar Installations, 27 September 1944
Document A65435
86.48 KiB
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Magic Far East Summary; Use of D/F by the Japanese for Aircraft Warning, 6 November 1944
Document A65469
36.55 KiB
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Magic-- Far East Summary; Japanese Intelligence-- Reading of Chinese Messages, 30 October 1944
Document A65433
66.14 KiB
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Magic-- Far East Summary; Japanese Intelligence-U.S. Air Units, 30 September 1944
Document A65434
90.07 KiB
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Magic-Far East Summary; JAAF-Analysis of B-29 Traffic, 5 December 1944
Document A65447
38.25 KiB
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Magic-Far East Summary; Japanese Analysis of 20th Bomber Command Communications, 29 November 1944
Document A65442
65.69 KiB
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Magic-Far East Summary; Japanese Intelligence-- Reading of Chinese Messages, 20 October 1944
Document A65440
66.66 KiB
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Magic-Far East Summary; S. China Coast-- Warnings of U.S. Air Attacks, 27 November 1944
Document A65437
72.36 KiB
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Memorandum Concerning Responsibility for Action In Cases of Compromise Indicated In Ultra Material, 6 January 1945
Document A65522
282.44 KiB
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MIS Studies Involving the Determination and Evaluation of Japanese Sources of Intelligence, 13 November 1944
Document A65535
136.32 KiB
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Notes on Conference Held 21 February 1945
Document A65510
115.28 KiB
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Notes on CSP 3300-Teletypewriter Cryptographic Attachment Mark II, 1 January 1949
Document A65418
529.29 KiB
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Notes on Machine Identified AS CSP 5100, 1 January 1949
Document A65427
192.5 KiB
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One Page of Notes Describing an Unidentified Machines Functions, 1 January 1949
Document A65428
78.91 KiB
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Paper by Lt. Dixon on Maximizing Flags and Rectangles Electrically, 26 July 1946
Document A65491
59.78 KiB
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Pre-1945 WW II Japanese Translations
Document A65455
215.19 KiB
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Pre-1945 WW II Japanese Translations, 14 December 1944
Document A65452
156.1 KiB
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Present Organization for Research on Ultra Material for Intelligence Concerning Security of Our Own Communications, 10 July 1945
Document A65527
326.28 KiB
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Recommendation for A Meeting to Clarify Unspecified Matters, 01 January 1944
Document A65454
28.98 KiB
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Security of Allied Ciphers, 30 August 1945
Document A65525
38.33 KiB
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the Price of Security, 1 January 1944; Critique, U.S. Fleet Problem Xi
Document A65539
32.92 KiB
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the Relationship of Japanese T/A to the Security Problem, 6 June 1945
Document A65503
215.98 KiB
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Transmission of Material Received from Navy, 17 June 1944; Indication of Japanese Success Against U.S. Weather Code
Document A65438
36.53 KiB
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Use of the Secure Telephone System, 22 January 1945
Document A65534
55.28 KiB
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