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• Catalogue level

  Piece

  Accessions administration: HW 28

  Accessions administration: HW 28

  Held by

  The National Archives, Kew

  Date

  2000 Jan 1 - 2002 Dec 31

  Reference

  PRO 57/15759

• Catalogue level

  Item

  Appendix H: New York (see HW 15/17-28 for message texts)

  Appendix H: New York (see HW 15/17-28 for message texts)

  Held by

  The National Archives, Kew

  Date

  1940-1948

  Reference

  HW 15/60/8

• Catalogue level

  Piece

  HW 28: Government Code and Cypher School: Air Section: reports based on Japanese...

  HW 28: Government Code and Cypher School: Air Section: reports based on Japanese Army Air Force Decrypts

  Held by

  The National Archives, Kew

  Date

  2000 Jan 1 - 2000 Dec 31

  Reference

  PRO 57/12579

• Catalogue level

  Division

  General records of the Government Code and Cypher School

  JAPANESE MILITARY COMMUNICATIONS: Japanese naval decrypts HW 23, naval air decrypts HW 27, army airforce decrypts HW 28

  Held by

  Date

  1914-1979

  Reference

• Catalogue level

  Piece

  Reports of Japanese army air decrypts

  Reports of Japanese army air decrypts

  Held by

  The National Archives, Kew

  Date

  1944 Sep 04-1945 Jan 24

  Reference

  HW 28/28

• Catalogue level

  Series

  Government Code and Cypher School: Air Section: Reports based on Japanese Army Air...

  This series consists of reports by the Air Sections based on Japanese army air force decrypts. They contain information on Japanese army air force operational and administrative matters.

  Held by

  The National Archives, Kew

  Date

  1943-1946

  Reference

  HW 28

• Catalogue level

  Item

  New York: Reference to "CERBERUS".

  New York: Reference to "CERBERUS".

  Held by

  The National Archives, Kew

  Date

  1945 Jan 18

  Reference

  HW 15/28/28

• Catalogue level

  Piece

  Reports on interpretation of Japanese army air proforma

  Reports on interpretation of Japanese army air proforma

  Held by

  The National Archives, Kew

  Date

  1945 Jul 01 - 1945 Jul 11

  Reference

  HW 28/152

• Catalogue level

  Piece

  Reports of Japanese army air decrypts with subject headers

  Reports of Japanese army air decrypts with subject headers

  Held by

  The National Archives, Kew

  Date

  1945 Jan 21-1945 Apr 21

  Reference

  HW 28/119

• Catalogue level

  Piece

  Reports based on Japanese army air decrypts sent from Signals Liaison Unit Brisbane,...

  Reports based on Japanese army air decrypts sent from Signals Liaison Unit Brisbane, Australia to the Government Code and Cypher School

  Held by

  The National Archives, Kew

  Date

  1944 Apr 27-1945 Mar 08

  Reference

  HW 28/144

• Catalogue level

  Piece

  Naval Miscellaneous Papers May-August 1943 These papers, collected by Frank Birch,...

  27-28/6/1943 HUSKY information. 30/6/1943 Proposals for development of Japanese Navy"Y".6/7/1943 New umkehrwalze on SHARK keys.

  Held by

  The National Archives, Kew

  Date

  1943 May 01-1943 Aug 31

  Reference

  HW 8/28

• Catalogue level

  Piece

  Reports of Japanese army air decrypts originating from Special Signals Unit Brisbane,...

  Reports of Japanese army air decrypts originating from Special Signals Unit Brisbane, Australia relayed to the Air Ministry

  Held by

  The National Archives, Kew

  Date

  1945 Jun 21-1945 Aug 09

  Reference

  HW 28/146

• Catalogue level

  Piece

  Reports based on Japanese army air decrypts sent from Signals Liaison Unit Brisbane,...

  Reports based on Japanese army air decrypts sent from Signals Liaison Unit Brisbane, Australia to the Government Code and Cypher School

  Held by

  The National Archives, Kew

  Date

  1945 Mar 09-1945 Jun 11

  Reference

  HW 28/145

• Catalogue level

  Piece

  Comparative order of battle table of the Japanese army air force and the Japanese...

  Comparative order of battle table of the Japanese army air force and the Japanese naval air force in the South East Asia command area

  Held by

  The National Archives, Kew

  Date

  1946 Jan 01-1946 Jan 31

  Reference

  HW 28/139

• Catalogue level

  Piece

  Reports of Japanese army air decrypts with subject headers

  Reports of Japanese army air decrypts with subject headers

  Held by

  The National Archives, Kew

  Date

  1945 Feb 01-1945 May 31

  Reference

  HW 28/142

• Catalogue level

  Piece

  Reports of Japanese army air decrypts with subject headers

  Reports of Japanese army air decrypts with subject headers

  Held by

  The National Archives, Kew

  Date

  1945 Mar 15-1945 Jul 15

  Reference

  HW 28/75

• Catalogue level

  Piece

  The Okinawa campaign: response of the Japanese air forces to the allied invasion...

  The Okinawa campaign: response of the Japanese air forces to the allied invasion of Okinawa

  Held by

  The National Archives, Kew

  Date

  1945 Aug 10-1945 Aug 10

  Reference

  HW 28/125

• Catalogue level

  Piece

  Reports of Japanese army air decrypts with subject headers

  Reports of Japanese army air decrypts with subject headers

  Held by

  The National Archives, Kew

  Date

  1945 Jan 16-1945 May 15

  Reference

  HW 28/121

• Catalogue level

  Piece

  Logbook of Japanese air force operations and engagements with allied forces in Burma,...

  Logbook of Japanese air force operations and engagements with allied forces in Burma, Thailand, Korea, China and Japan

  Held by

  The National Archives, Kew

  Date

  1944 Nov 01-1945 Apr 11

  Reference

  HW 28/129

• Catalogue level

  Piece

  French plans sponsored by a 'P' Section (communications liaison between the RSS and...

  French plans sponsored by a 'P' Section (communications liaison between the RSS and the French)

  Held by

  The National Archives, Kew

  Date

  1944 Mar 31-1944 Jul 21

  Reference

  HW 34/28