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  Division

  General records of the Government Code and Cypher School

  BULGARIAN, CROATIAN, FRENCH, IRANIAN, ITALIAN PORTUGUESE AND SPANISH COMMUNICATIONS: Air Section reports on Italian and other foreign air forces HW 21; Naval, Air and Military Sections reports of Spanish

  Held by

  Date

  1914-1979

  Reference

• Catalogue level

  Series

  Government Code and Cypher School: Air Section: Reports on Italian and Other Foreign...

  Intelligence reports on foreign (European) air forces produced by the Air Section. To aid the understanding of these reports, a number of working aids and orders of Battle are also included, also some correspondence files relating to the reports.The …

  Held by

  The National Archives, Kew

  Date

  1936-1944

  Reference

  HW 21

• Catalogue level

  Piece

  Italian Air Force Orders of Battle.

  Italian Air Force Orders of Battle.

  Held by

  The National Archives, Kew

  Date

  1940 Jan 1-1943 Dec 31

  Reference

  HW 21/21

• Catalogue level

  Item

  New York: STUKACh.

  New York: STUKACh.

  Held by

  The National Archives, Kew

  Date

  1943 Oct 16

  Reference

  HW 15/21/21

• Catalogue level

  Item

  Note on Italian naval communications

  Note on Italian naval communications

  Held by

  The National Archives, Kew

  Date

  1939 Jun 30

  Reference

  HW 62/21/21

• Catalogue level

  Piece

  Technical Sub-committee of the Y Committee papers. This sub-committee, which was...

  Technical Sub-committee of the Y Committee papers. This sub-committee, which was merged with the Administrative Sub-committee in August 1941 to form the AT Sub-committee, was responsible for technical matters, such as the interception of VHF communic…

  Held by

  The National Archives, Kew

  Date

  1941 Jan 03-1941 Jun 27

  Reference

  HW 42/21

• Catalogue level

  Piece

  GC&CS Naval Sigint Volume XI: The Processing of Decrypts by W G Ettinghausen and...

  GC&CS Naval Sigint Volume XI: The Processing of Decrypts by W G Ettinghausen and Cmdr (S) J P McIntyre RN

  Held by

  The National Archives, Kew

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/21

• Catalogue level

  Piece

  Reports in the series MK/8001 to MK/8500. Number MK/8058 not taken up

  Reports in the series MK/8001 to MK/8500. Number MK/8058 not taken up

  Held by

  The National Archives

  Date

  1942 Jul 02-1942 Jul 08

  Reference

  HW 20/21

• Catalogue level

  Piece

  MGB (Soviet Ministry of State Security) Traffic: Moscow from New York, USA. (Described...

  MGB (Soviet Ministry of State Security) Traffic: Moscow from New York, USA. (Described at item level)

  Held by

  The National Archives, Kew

  Date

  1943 Aug 10-1944 Apr 29

  Reference

  HW 15/21

• Catalogue level

  Piece

  Intelligence reports on foreign air forces. (Described at item level)

  Intelligence reports on foreign air forces. (Described at item level)

  Held by

  The National Archives, Kew

  Date

  1936 Dec 15-1937 July 14

  Reference

  HW 21/2

• Catalogue level

  Piece

  Security of electronic communications

  Security of electronic communications

  Held by

  Creating government department or its successor

  Date

  1956 Feb-1964 Jun

  Reference

  HW 9/21

• Catalogue level

  Piece

  FRUEF/GEN. HMS Anderson: Japanese naval shore based units and defences

  FRUEF/GEN. HMS Anderson: Japanese naval shore based units and defences

  Held by

  The National Archives, Kew

  Date

  1945 May 16-July 31

  Reference

  HW 4/21

• Catalogue level

  Piece

  Commercial reports

  Commercial reports

  Held by

  The National Archives, Kew

  Date

  1940 Mar 28-1940 Mar 30

  Reference

  HW 29/21

• Catalogue level

  Piece

  German and Italian reaction to Allied Malta convoy

  German and Italian reaction to Allied Malta convoy

  Held by

  The National Archives, Kew

  Date

  1941 June

  Reference

  HW 3/21

• Catalogue level

  Piece

  Organisation and disposition of Spanish, Portuguese and French naval forces Spanish:...

  Organisation and disposition of Spanish, Portuguese and French naval forces Spanish: November 1942 to September 1944 Portuguese: July to September 1943 French: November 1942

  Held by

  The National Archives, Kew

  Date

  1942 Nov 01-1944 Sep 30

  Reference

  HW 22/21

• Catalogue level

  Piece

  Provision of radio equipment by the RSS to the Polish station at Stanmore, Middlesex....

  Provision of radio equipment by the RSS to the Polish station at Stanmore, Middlesex. Chief of Security Staff instruction concerning his control of Allied clandestine radio communications

  Held by

  The National Archives, Kew

  Date

  1943 Sep 11-1943 Oct 23

  Reference

  HW 34/21

• Catalogue level

  Piece

  Italian air summaries: general correspondence with Cairo.

  Italian air summaries: general correspondence with Cairo.

  Held by

  The National Archives, Kew

  Date

  1943 Apr 16-1943 Aug 24

  Reference

  HW 21/76

• Catalogue level

  Piece

  Intelligence reports on foreign air forces. (Described at item level)

  Intelligence reports on foreign air forces. (Described at item level)

  Held by

  The National Archives, Kew

  Date

  1940 June 5-1940 Aug 1

  Reference

  HW 21/19

• Catalogue level

  Piece

  Reporters' glossary of Italian air terms

  Reporters' glossary of Italian air terms

  Held by

  The National Archives, Kew

  Date

  [c 1936-c 1944]

  Reference

  HW 21/85

• Catalogue level

  Piece

  Italian air activity including daily summaries 297 - 354.

  Italian air activity including daily summaries 297 - 354.

  Held by

  The National Archives, Kew

  Date

  1942 July 15-1942 Sept 10

  Reference

  HW 21/67