Top Secret

Intelligence, Bletchley, Interception, Cryptology, MI6/Secret Intelligence Service, etc

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  1. Jan7

    Article online: German vs. Allied Codebreakers in the Battle of the Atlantic by Stephen Budiansky...

    Jan7, Aug 16, 2010
    Replies:
    0
    Views:
    1,087
    Jan7
    Aug 16, 2010
  2. Roy Martin

    decodes of U-boat signals February 1941

    Roy Martin, Nov 4, 2015
    Replies:
    4
    Views:
    1,096
    Roy Martin
    Nov 6, 2015
  3. Doig

    conscientious objectors Bletchley Park

    Doig, Nov 9, 2010
    Replies:
    2
    Views:
    1,099
    Drayton
    Jan 4, 2011
  4. PsyWar.Org

    British Army Map Reference Point Code

    PsyWar.Org, Jan 4, 2013
    Replies:
    0
    Views:
    1,102
    PsyWar.Org
    Jan 4, 2013
  5. Peter Clare

    Anne Russell. RIP.

    Peter Clare, Dec 17, 2013
    Replies:
    6
    Views:
    1,105
    Buteman
    Dec 23, 2013
  6. Marco

    Secret Army Exhibition

    Marco, Apr 4, 2012
    Replies:
    2
    Views:
    1,106
    greglewis
    Apr 5, 2012
  7. old bill

    SIS HQ

    old bill, May 22, 2013
    Replies:
    5
    Views:
    1,111
    old bill
    May 23, 2013
  8. Medic7922

    Colossus computer at Bletchley Park

    Medic7922, Feb 2, 2010
    Replies:
    2
    Views:
    1,113
    slaphead
    Feb 2, 2010
  9. Robert-w

    Forbidden to tell the British public what you're telling the German public

    Robert-w, Feb 21, 2020
    Replies:
    14
    Views:
    1,115
    Robert-w
    Sep 24, 2020
  10. PRcrab

    FSS Duties

    PRcrab, Mar 6, 2016
    Replies:
    3
    Views:
    1,116
    PRcrab
    Mar 7, 2016
  11. PsyWar.Org

    A cryptological challenge

    PsyWar.Org, May 17, 2013
    Replies:
    5
    Views:
    1,118
    PsyWar.Org
    May 18, 2013
  12. SteveDee

    "Onward Christian Soldiers" by Comrades of the Other Side

    SteveDee, Jul 17, 2018
    Replies:
    7
    Views:
    1,118
    Gary Tankard
    Jul 21, 2018
  13. chipm

    Enigma Machine

    chipm, May 27, 2020
    Replies:
    19
    Views:
    1,125
    JDKR
    Dec 3, 2020
  14. geoff501

    Bletchley Park Concentration Camp Decodes

    geoff501, Feb 3, 2013
    Replies:
    5
    Views:
    1,142
    Bernard85
    Apr 8, 2013
  15. Peter Clare

    Lifeline for Bletchley Park.

    Peter Clare, Nov 6, 2008
    Replies:
    6
    Views:
    1,142
    WotNoChad?
    Nov 6, 2008
  16. spidge

    Allied signal intelligence units and other secret units in australia during ww2

    spidge, May 22, 2010
    Replies:
    0
    Views:
    1,145
    spidge
    May 22, 2010
  17. beardydan

    Special Liaison Units 1944-46 & Ultra

    beardydan, Nov 2, 2017
    Replies:
    1
    Views:
    1,155
    Tricky Dicky
    Nov 2, 2017
  18. Jedburgh22

    German Coding machine on EBay

    Jedburgh22, May 29, 2016
    Replies:
    6
    Views:
    1,158
    geoff501
    May 31, 2016
  19. Bala

    Receiver Intercept at Rothamsted, Harpenden

    Bala, Jul 22, 2012
    Replies:
    2
    Views:
    1,160
    Bala
    Aug 11, 2012
  20. brithm

    1982 Unit - Bletchley Park?

    brithm, Aug 28, 2011
    Replies:
    7
    Views:
    1,165
    DebbieMax
    Jul 3, 2012
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