29 June 2003

These are items from the National Security Agency declassified "Open Door" archives relating to Britain.

http://www.nsa.gov/programs/opendoor/index.html
NSA PRESS RELEASE
2 April 1996
For further information contact:
NSA Public Affairs, 301/688-6524

                     THE NATIONAL SECURITY AGENCY RELEASES 
               OVER 1.3 MILLION PAGES OF DECLASSIFIED DOCUMENTS

The National Security Agency (NSA) announced today that it has
declassified and released to  the National Archives and Records
Administration (NARA) over 1.3 million pages of historic cryptologic
documents.  The majority of the documents are new releases, but some
documents are being re-released with additional information.  These
documents cover a time-frame from before World War I through the end of
World War II and will be available at NARA for public review beginning
Thursday, 4 April 1996.

OPENDOOR is a Bibliographic Index which references NSA's declassified document
releases to NARA, and as such it will continue to grow. NSA's initial INTERNET
offering is an index of 4,923 entries containing approximately 1.3 million pages
of previously classified documents from the pre-World War I period through the end
of World War II, which have recently been released to the National Archives and
Records Administration (NARA). The collection will be made available to the public
at the NARA Annex in College Park, Maryland. For the present, the INTERNET viewer
may scroll through this index to determine the location of the entry in which
he/she is interested. To help the researcher become familiar with the format of
the index, this is the way the NSA entries read: 


Item Number  Box Number  Accession Number  Date     Title
-----------  ----------  ----------------  ----     -----
   NR1       CBBA11          103A          19431209 GERMAN PRACTICE TRAFFIC ...

We understand that while NARA will assign its own identification
tags to each file in the collection, they plan to retain the NSA Box
Number and Accession Number for cross reference. Researchers should be
aware of two things: first, the index is not arranged in date order,
and second, each entry may contain either a single page or many pages.

A list of documents released is available on the NSA Homepage on the Internet 
under Project OPENDOOR (http://www.nsa.gov/programs/opendoor/narafindaid.html).
The actual documents are available for review at the National Archives at
College Park, 8601 Adelphi Road, College Park, Maryland.  Research
cards are required to view the documents.  Additional information about
conducting research at the NARA is available on the National Archives
Internet Website (http://www.nara.gov).


Item #  Box #  Accn#  Date            Title

NR 511  CBBG56 8616A 19180207 BRITISH MEMORANDUM ON ATLANTIC CABLE COMMUNICATIONS

NR 607  CBBI36 2968A 19440923 ACCOUNT OF RECOVERY OF KEYS OF FRENCH-BRITISH INTER-ALLIED CIPHER

NR 748  CBCB11 299A 19431005 INTERROGATIONS OF EQUIP AND BRITISH RESEARCH AND TECH DEVELOPMENT PAPERS

NR 803  CBCB15 378A 19430806 FISH WEEKLY REPORT-BRITISH 1943

NR 857  CBCB28 1153A 19400000 BRITISH BOMBE

NR 883  CBCB36 4873A 19450115 GCCS JAPANESE COMMERCIAL CODES SECTION, DATA
        HANDLING, TARGETS, ORGANIZATION

NR 936  CBCB46 6012A 19420310 G.C.C.S. REPORT ON VARIOUS COUNTRIES CODES AND 
        CYPHER RECOGNITION DATA

NR 964  CBCB55 9024A 19390000 TURING'S TREATISE ON THE ENIGMA

NR 971  CBCB56 11186A 19000000 BRITISH DESCRIPTION OF SPANISH AIR FORCE WHEATSTONE CYPHER MACHINE

NR 972  CBCB56 11190A 19420326 BRITISH TRAINING METHOD FOR DECYPHERING SPANISH AIR FORCE CYPHER

NR 973  CBCB56 11192A 19410000 GERMAN AIR THREE ALPHABETICAL CODE, BRITISH TRAINING MESSAGES

NR 979  CBCB56 16435A 19450518 BRITISH HISTORICAL PROJECT

NR 985  CBCB56 9814A 19000000 LETTER EXPLAINING BRITISH TRANSLATION OF GERMAN WORDS

NR 988  CBCB57 11187A 19411106 BRITISH TRAINING MESSAGES OF GERMAN DAY AND NIGHT FIGHTER ACTIVITY

NR 989  CBCB57 11188A 19400000 BRITISH DESCRIPTION OF GERMAN AIR FORCE CYPHERS (NON-MACHINE)

NR 1268 CBDJ14 4408A 19180625 BRITISH STATUS REPORT ON GERMAN MILITARY WIRELESS STATIONS JUNE 1918

NR 1407 CBKG76 11403A 19450500 REPORT ON BRITISH ATTACK ON FISH

NR 1596 CBKI57 5425A 19450500 REPORT OF BRITISH ATTACK ON "FISH"

NR 1993 CBLJ71 5282A 19430916 PLANTED DECEPTION MESSAGES KNOWN AS "MABAR", USUK PROGRAM

NR 2091 CBLK15 8589A 19190516 CORRESPONDENCE RE PERMANENT ORGANIZATION FOR CIPHER WORK

NR 2092 CBLK15 8618A 19180603 CORRESPONDENCE RE BRITISH SUCCESS AGAINST GERMAN CODES

NR 2099 CBLK15 8872A 19251003 CORRESPONDENCE CONCERNING MILITARY ATTACHE USE OF MI5 CODE

NR 2206 CBLL18 1039A 19431215 MODIFICATION OF SCR-729 TO MEET BRITISH REQUIREMENTS

NR 2269 CBLL33 10609A 19210321 CORRESPONDENCE ON CODES AND CIPHERS

NR 2304 CBLL37 16432A 19430518 BRITISH "J" SERVICE AND SIGNAL MONITORING COMPANY PROPOSAL

NR 2305 CBLL37 16433A 19420330 UKUSA LIAISON

NR 2336 CBLL51 35687A 19450000 BRITISH COMMUNICATIONS INTELLIGENCE

NR 2337 CBLL51 35689A 19441215 BOMBE PUNCHING MODIFICTION - A, 1944

NR 2385 CBLM11 112A 19421229 EXCHANGE BETWEEN KULLBACK AND JOHNSON WHILE LATTER AT GC AND CS

NR 2443 CBLM24 16166A 19420108 LESSONS FROM BRITISH-US OPERATIONS - INTERCOMMUNICATIONS/EXTRACTS OF BRITISH NAVAL W/T ORGANIZATION

NR 2467 CBMG28 170A 19430921 FOUR REPORTS, TDY GCCS INTERCEPT STATIONS

NR 2519 CBMG35 609A 19440900 PROGRESS OF SSA AND COOPERATION WITH GCCS ON NEAR 
	AND MIDEAST SYSTEMS

NR 2590 CBMH11 1033A 19450616 SEVEN REPORTS TO CO,SSA FROM FRANK W. LEWIS, LIAISON TO GCCS

NR 2593 CBMH11 1044A 19431003 REPORT ON R.A.F. "Y" ORGANIZATION, WEST KINGSDOWN

NR 2594 CBMH11 1045A 19430000 LECTURE NOTES - WEST KINGSDOWN

NR 2612 CBMH15 1238A 19440311 CAPT. WALTER J. FRIED REPORTS/SSA LIAISON WITH GCCS

NR 2711 CBMI28 1518A 19441229 WEEKLY REPORT FROM CAPT RUPP (TDY AT GCCS)

NR 2738 CBMI33 2714A 19400909 CHRONOLOGY OF COOPERATION BETWEEN SSA AND GCCS, 1940-1945

NR 2747 CBMI37 3850A 19450116 PROGRESS REPOOTS TO GCCS AND EXU

NR 2751 CBMI38 2401A 19430301 AGREEMENT BETWEEN BRITISH GOVERNMENT CODE AND CIPHER 
        SCHOOL AND U.S. WAR DEPARTMENT REGARDING SPECIAL INTELLIGENCE

NR 2820 CBMI55 36423A 19430208 GCHQ/US COOPERATION

NR 2857 CBMJ47 11649A 19450521 STORAGE AND DISPOSAL OF BRITISH ULTRA MATERIAL

NR 3000 CBNM54 5300A 19440622 CORRESPONDENCE CONCERNING US/UK LIAISON & COOPERATION ON TECHNICAL EXCHANGE

NR 3003 CBNM54 5526A 19431109 CORRESPONDENCE RE SIGINT TRAINING OF U.S. OFFICERS BY THE R.A.F.

NR 3128 CBNM72 10340A 19440627 DECEPTION THROUGH CONTROL OF U.S. - EUROPE TRAFFIC VOLUMES, JUNE-SEPT 1944

NR 3142 CBNM74 10994A 19410903 STATEMENTS BY POWS RE WORK ON AMERICAN AND BRITISH SYSTEMS

NR 3142 CBNM74 10994A 19410903 STATEMENTS BY POWS RE WORK ON AMERICAN AND BRITISH SYSTEMS

NR 3521 CBRC15 21099A 19440805 DEVELOPMENTS OF BRITISH NAVAL DIRECTION FINDING

NR 3531 CBRK28 13094A 19450319 SPECIAL SIGNAL OPERATIONS IN THE UNITED KINGDOM, 1945

NR 3600 CBTC67 17489A 19430600 COL MCCORMACK'S TRIP TO LONDON, MAY-JUNE 1943

NR 3607 CBTD32A 17742A 19430620 NUMBER SIX INTELLIGENCE SCHOOL AT BLETCHEY PARK

NR 3608 CBTD32A 17743A 19770000 ORIGIN OF U.S.-BRITISH COMMUNICATIONS INTELLIGENCE COOPERATION (1940 - 1941)

NR 3620 CBTE28 17738A 19430812 E OPERATIONS OF THE GC & CS AT BLETCHLEY PARK

NR 3622 CBTE28 17740A 19430206 ULTRA SPECIAL SIGNAL INTELLIGENCE COMBINED 
        SECURITY INSTRUCTIONS AND REGULATIONS

NR 3641 CBTE43 17787A 19450220 ULTRA SUPPLEMENT TO STUDY AND RECOMMENDATIONS 
        RELATIVE TO SECURITY OF XXI BOMBER COMMAND COMMUNICATIONS

NR 3661 CBTE63 17918A 19420801 BRITISH GC&CS

NR 3729 ZEMA03 44674A 19450107 GOVERNMENT CODE AND CIPHER SCHOOL HISTORIES (NAVAL)

NR 3735 ZEMA04 16837A 19441127 ULTRA RECIPIENT LIST AND SHAEF G2 ORGANIZATION 
        MISSION AND FUNCTION

NR 3809 ZEMA10 113A 19430516 TOUR OF DUTY REPORT OF CAPT ROY JOHNSON WHILE AT GC & CS

NR 3857 ZEMA109 46120A 19431113 UNITED KINGDOM "EXAMPLES OF OPERATIONAL
        EXPERIENCE IN THE USE OF PIGEONS BY THE R.A.F."

NR 3873 ZEMA111 9733A 19410000 MAJ SINKOV'S REPORT OF CRYPTOGRAPHIC MISSION, 1941

NR 3921 ZEMA120 36628A 19410000 CRYPTOGRAPHIC CODES AND CIPHERS: UNITED KINGDOM 
        CODE B 8 BOOKS RECOVERED FROM THE GERMANS IN WWII

NR 3922 ZEMA121 36655A 19410000 CRYPTOGRAPHIC CODES AND CIPHERS: UNITED KINGDOM 
        CODE BOOKS FOR B3, GREEN CIPHER, T AND SONDER LIST B1 SYSTEMS RECAPTURED FROM GERMANS 
        IN WWII

NR 3938 ZEMA129 45731A 19810626 CODES AND CIPHERS: UNITED KINGDOM DRAFT APPENDIX 
        TO HISTORY OF BRITISH INTELLIGENCE IN WWII.

NR 4007 ZEMA140 1498A 19440301 UKUSA TECHNICAL EXCHANGE - JAPAN

NR 4009 ZEMA140 1525A 19450131 PERS REPT FM CAPT A. MICHEL (BRITISH LIAISON 
        OFFICER) TO DIRECTOR, UK GCCS

NR 4013 ZEMA140 29873A 19420717 U.S. BRITISH AGREEMENTS ON COMINT EFFORT, 
        1942-1943

NR 4021 ZEMA140 9618A 19430817 US/UK TECHNICAL EXCHANGES AND INFORMATION ON 
        SOLUTION OF JBB

NR 4022 ZEMA140 9966A 19440906 CRYPTANALYTIC TECHNICAL EXCHANGES BETWEEN SSA AND GCCS

NR 4033 ZEMA15 9008A 19400000 HUT 6 NAMES OF GERMAN RADIO NETS

NR 4071 ZEMA152 40794A 19400301 CRYPTOGRAPHIC CODES AND CYPHERS: ANGLO-FRENCH CYPHER

NR 4073 ZEMA153 36480A 19240709 CRYPTOGRAPHIC CODES AND CIPHERS: UNITED KINGDOM 
        CODE BOOKS RECOVERED FROM THE GERMANS IN WWII.

NR 4093 ZEMA156 7188A 19431018 BRITISH RADAR TRAINERS AND JAPANESE AVIATION 
        WIRELESS SET

NR 4206 ZEMA169 41153A 19450000 PHOTOGRAPH: ORGANIZATION - UK LIAISON OFFICE, 
        NSA ANNEX, WARD CIRCLE, WASHINGTON, D.C.

NR 4209 ZEMA169 41158A 19430000 PHOTOGRAPH: ORGANIZATION - U.S. OFFICERS 
        ASSIGNED TO BLETCHLEY PARK, U.K.

NR 4287 ZEMA179 16846A 19450000 BRITISH ADMINISTRATIVE HISTORY OF THE SPECIAL 
        LIAISON UNITS (MEDITERRANEAN AND WESTERN EUROPE)

NR 4302 ZEMA18 72A 19411214 ITALIAN, GERMAN, JAPANESE ANALYTIC MATERIAL SENT TO 
	GCCS IN 1941 AND 1942

NR 4311 ZEMA180 36553A 19400000 CRYPTOGRAPHIC CODES AND CIPHERS: UNITED KINGDOM.
        BENTLEYS PHRASE CODE

NR 4391 ZEMA190 6622A 19440720 C.A.F.O. 1572 - POLICY FOR Y AND R.C.M. 
        FACILITIES IN BRITISH FLEET

NR 4416 ZEMA192 9046A 19441003 BLETCHLY PARK MEMORANDUMS

NR 4471 ZEMA201 16328A 19420406 BRITISH-CANADIAN-AMERICAN RADIO INTELLIGENCE 
        DISCUSSIONS

NR 4517 ZEMA204 35862A 19430429 FRIEDMAN CORRESPONDENCE WHILE IN ENGLAND, 1943

NR 4546 ZEMA32 1513A 19440126 BRITISH ARMY CRYPTANALYTIC WORK IN FORWARD UNITS

NR 4548 ZEMA32 16434A 19440902 LONDON SIGINT CONFERENCE, SEPTEMBER 1944

NR 4559 ZEMA33 34207A 19440720 CRYPTOGRAPHIC DICTIONARY - CRYPTOGRAPHIC 
        CO-ORDINATION AND RECORDS SECTION, G.C. & C.S.

NR 4563 ZEMA33 42560A 19431004 ARMY-NAVY AGREEMENT REGARDING ULTRA

NR 4565 ZEMA33 43784A 19410124 SINKOV PAPERS AND RELATED MATERIAL

NR 4566 ZEMA33 43788A 19400909 CLARK FILES, BRITISH LIAISON 1940-1945, V0L I

NR 4614 ZEMA36 13967A 19400301 S.P.02279 ANGLO-FRENCH CIPHER

NR 4632 ZEMA37 38221 19390000 ARMY AND NAVY COMINT REGS & PAPERS; AGREEMENTS 
        WITH GCCS; MIDWAY & YAMAMOTO; SOME REMINISCENCES FROM BG TILTMAN

NR 4633 ZEMA37 38222 19430000 COL MCCORMACK'S TRIP TO LONDON 1943; SECOND 
        CONFERENCE ON JAPANESE ARMY COMMUNICATIONS MARCH 1944

NR 4681 ZEMA44 34842A 19430310 CRYPTOGRAPHIC CO-ORDINATION AND RECORDS - 
        PRELIMINARY REPORT ON CODES AND CIPHERS - ZIP/C.C.R.11.(BRITISH REPORT)

NR 4683 ZEMA44 42305A 19430128 BRITISH INTELLIGENCE ORGANIZATION (CRYPTANALYSIS) 
        CHART - 1943

NR 4684 ZEMA44 43783A 19450127 US-UK CORRESPONDENCE CONCERNING GC AND CS ULTRA 
        HISTORY OF W.W.  II 27 JAN 1945 - 9 APR 1946

NR 4685 ZEMA44 43785A 19390000 THE HISTORY OF HUT EIGHT 1939-1945

NR 4686 ZEMA44 44123A 19451005 BRIG WILLIAMS AND GROUP CAPT HUMPHREYS REPORTS 
        CONCERNING ULTRA

NR 4707 ZEMA47 41329A 19400000 PHOTOGRAPH: LOCATION - NO. 7-9 BERKELEY ST. 
        LONDON STREET

NR 4761 ZEMA51 41215A 19441201 PHOTOGRAPH: EVENT - MEETING OF US AND BRITISH 
        OFFICERS FROM BLETCHLEY PARK AND PARIS

NR 4762 ZEMA51 41225A 19440000 PHOTOGRAPH: EVENT - JOINT ALLIED COMMITTEE 
        CONFERENCE

NR 4841 ZEMA59 8149A  19150920 BRITISH NAVAL OFFICER'S REQUEST FOR U.S. AID IN 
        SOLVING CIPHERS