Major Curtis of Hut 3 makes further attempt to play a greater role, suggests he runs...

HW 14/25

1941 Dec 16-31

Major Curtis of Hut 3 makes further attempt to play a greater role, suggests he runs a Hut 3 training organisation; JCC minutes; meeting at BP on Dec 27 on future of UK Sigint; weekly return of GCCS staff by hut, quoting gains and losses, staff list for Traffic Office; minute from C to DCSS (Deputy Chief of the Secret Service, Colonel Vivian) and AGD that HAS's suggestion that full-time paid welfare worker be employed at BP was unacceptable and that Mrs Vivian should continue as BP's unpaid welfare worker; case by HAS for commissioning certain RAF NCOs and other workers in AS; trawling of WAAF Code/Cypher Officers at BP for overseas, WAAF officers' confidential reports; sick reports for BP Wrens over the Xmas period, sent to Director WRNS; selection of personnel for Met Section; severe billeting problems at BP, suggestion to move Commercial Section and turn Wavendon into a hostel, future of Commercial Section at Wavendon; security of Elmers School; codeword prefixes for transmission of raw Sigint; Dilly Knox's success against German agent E cyphers, ISK series reports to be issued, similar to Oliver Strachey's ISOS series from German agent manual cypher systems, percentages of Bombe time spent on specific German E keys in Nov; assessment of poor Sigint results against GAF in 1940 and improved results in 1941, origins of SALU (Saltmarsh and Lucas) Operational Aircraft Watch Section, also known as the Research Section; enlargement of PO Sigint station at Cupar, status report on PO Sigint stations; GCCS correspondence with Baghdad; exchanges between MI-8 and 30 Military Mission in Moscow re GCCS/Russian Sigint exchange, Admiralty correspondence with Senior British Naval Officer (SBNO) Murmansk on Sigint matters; correspondence with CBME, Director CBME requests support from AGD to avoid being appointed Officer Commanding (OC) 5 IS in addition to CBME duties, plan by HAS to convert all AS and CBME female staff to WAAFS, reply from CBME; Oil Company codes to be returned to them, Col Tiltman to demonstrate a more secure system on Dec 24, list of UK and Commonwealth commercial codes in use with comments on vulnerability to Axis exploitation; Sigint research work for GCCS at Telecommunications Research Establishment (TRE) Swanage; security of Norwegian and Swedish Hagelin cypher machines, security of Polish cyphers; minute from AGD to C on French messages intercepted by US and Canada; collateral intelligence report from French source on German detection of Allied agent transmissions; status of RN Sigint organisation in South Atlantic; functions of Army Sigint in West Africa; 6 months' plan for development of RAF Sigint; report by Air Cdr Blandy on his tour of West Africa and recommendations for starting an RAF Sigint service in that area; German techniques for reporting Allied sea transits through Gibraltar StraitAdmiralty correspondence with Senior British Naval

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